1612406831 has 24 divisors (see below), whose sum is σ = 1911944160. Its totient is φ = 1331914752.

The previous prime is 1612406821. The next prime is 1612406843. The reversal of 1612406831 is 1386042161.

It is not a de Polignac number, because 1612406831 - 2⁶ = 1612406767 is a prime.

It is a super-2 number, since 2×1612406831² = 5199711577310925122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612406821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082135 + ... + 1083623.

It is an arithmetic number, because the mean of its divisors is an integer number (79664340).

Almost surely, 2^1612406831 is an apocalyptic number.

1612406831 is a deficient number, since it is larger than the sum of its proper divisors (299537329).

1612406831 is a wasteful number, since it uses less digits than its factorization.

1612406831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1612406831 is about 40154.7859040488. The cubic root of 1612406831 is about 1172.6224641628.

Adding to 1612406831 its reverse (1386042161), we get a palindrome (2998448992).

The spelling of 1612406831 in words is "one billion, six hundred twelve million, four hundred six thousand, eight hundred thirty-one".