1230431661616 has 20 divisors (see below), whose sum is σ = 2384007231232. Its totient is φ = 615203989056.

The previous prime is 1230431661607. The next prime is 1230431661659. The reversal of 1230431661616 is 6161661340321.

It is a super-2 number, since 2×1230431661616² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149521 + ... + 1575823.

Almost surely, 2^{1230431661616} is an apocalyptic number.

1230431661616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1230431661616 is a deficient number, since it is larger than the sum of its proper divisors (1153575569616).

1230431661616 is a wasteful number, since it uses less digits than its factorization.

1230431661616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480228 (or 1480222 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 1230431661616 in words is "one trillion, two hundred thirty billion, four hundred thirty-one million, six hundred sixty-one thousand, six hundred sixteen".