1612166610 has 64 divisors (see below), whose sum is σ = 4114685952. Its totient is φ = 402855936.

The previous prime is 1612166527. The next prime is 1612166629. The reversal of 1612166610 is 166612161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112047 + ... + 125613.

It is an arithmetic number, because the mean of its divisors is an integer number (64291968).

Almost surely, 2^1612166610 is an apocalyptic number.

1612166610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1612166610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2057342976).

1612166610 is an abundant number, since it is smaller than the sum of its proper divisors (2502519342).

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

1612166610 is a wasteful number, since it uses less digits than its factorization.

1612166610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13827.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1612166610 is about 40151.7946049738. The cubic root of 1612166610 is about 1172.5642277166.

Adding to 1612166610 its reverse (166612161), we get a palindrome (1778778771).

The spelling of 1612166610 in words is "one billion, six hundred twelve million, one hundred sixty-six thousand, six hundred ten".