1625056156664 has 32 divisors (see below), whose sum is σ = 3145529763840. Its totient is φ = 786252549600.

The previous prime is 1625056156631. The next prime is 1625056156667. The reversal of 1625056156664 is 4666516505261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625056156667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2808557 + ... + 3337379.

It is an arithmetic number, because the mean of its divisors is an integer number (98297805120).

Almost surely, 2^{1625056156664} is an apocalyptic number.

It is an amenable number.

1625056156664 is a deficient number, since it is larger than the sum of its proper divisors (1520473607176).

1625056156664 is a wasteful number, since it uses less digits than its factorization.

1625056156664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541251 (or 541247 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 53.

The spelling of 1625056156664 in words is "one trillion, six hundred twenty-five billion, fifty-six million, one hundred fifty-six thousand, six hundred sixty-four".