1625460464512 has 16 divisors (see below), whose sum is σ = 3238222019400. Its totient is φ = 812730232192.

The previous prime is 1625460464491. The next prime is 1625460464513. The reversal of 1625460464512 is 2154640645261.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1625460464512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625460464513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349454812 + ... + 6349455067.

Almost surely, 2^{1625460464512} is an apocalyptic number.

It is an amenable number.

1625460464512 is a deficient number, since it is larger than the sum of its proper divisors (1612761554888).

1625460464512 is an equidigital number, since it uses as much as digits as its factorization.

1625460464512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12698909893 (or 12698909881 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 1625460464512 in words is "one trillion, six hundred twenty-five billion, four hundred sixty million, four hundred sixty-four thousand, five hundred twelve".