1690099712 has 56 divisors (see below), whose sum is σ = 3862980336. Its totient is φ = 724303872.

The previous prime is 1690099703. The next prime is 1690099721. The reversal of 1690099712 is 2179900961.

It is an interprime number because it is at equal distance from previous prime (1690099703) and next prime (1690099721).

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42608 + ... + 72080.

Almost surely, 2^1690099712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1690099712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931490168).

1690099712 is an abundant number, since it is smaller than the sum of its proper divisors (2172880624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1690099712 is an frugal number, since it uses more digits than its factorization.

1690099712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29506 (or 29482 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 1690099712 is about 41110.8223221088. The cubic root of 1690099712 is about 1191.1618509280.

The spelling of 1690099712 in words is "one billion, six hundred ninety million, ninety-nine thousand, seven hundred twelve".