1625313750665 has 16 divisors (see below), whose sum is σ = 2129476029120. Its totient is φ = 1181050489920.

The previous prime is 1625313750617. The next prime is 1625313750667. The reversal of 1625313750665 is 5660573135261.

It is not a de Polignac number, because 1625313750665 - 2²² = 1625309556361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1625313750667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12382550 + ... + 12513119.

It is an arithmetic number, because the mean of its divisors is an integer number (133092251820).

Almost surely, 2^{1625313750665} is an apocalyptic number.

It is an amenable number.

1625313750665 is a deficient number, since it is larger than the sum of its proper divisors (504162278455).

1625313750665 is a wasteful number, since it uses less digits than its factorization.

1625313750665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24896872.

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 1625313750665 in words is "one trillion, six hundred twenty-five billion, three hundred thirteen million, seven hundred fifty thousand, six hundred sixty-five".