1610674321 has 4 divisors (see below), whose sum is σ = 1612915200. Its totient is φ = 1608433444.

The previous prime is 1610674319. The next prime is 1610674363. The reversal of 1610674321 is 1234760161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1610674321 - 2¹ = 1610674319 is a prime.

It is a super-2 number, since 2×1610674321² = 5188543536657622082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1610674301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119361 + ... + 1120798.

It is an arithmetic number, because the mean of its divisors is an integer number (403228800).

Almost surely, 2^1610674321 is an apocalyptic number.

It is an amenable number.

1610674321 is a deficient number, since it is larger than the sum of its proper divisors (2240879).

1610674321 is an equidigital number, since it uses as much as digits as its factorization.

1610674321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240878.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1610674321 is about 40133.2072104884. The cubic root of 1610674321 is about 1172.2023244941.

The spelling of 1610674321 in words is "one billion, six hundred ten million, six hundred seventy-four thousand, three hundred twenty-one".