25007161623 has 16 divisors (see below), whose sum is σ = 35001830400. Its totient is φ = 15860197440.

The previous prime is 25007161601. The next prime is 25007161681. The reversal of 25007161623 is 32616170052.

It is not a de Polignac number, because 25007161623 - 2¹⁴ = 25007145239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25007181623) 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, 2273278 + ... + 2284251.

It is an arithmetic number, because the mean of its divisors is an integer number (2187614400).

Almost surely, 2^25007161623 is an apocalyptic number.

25007161623 is a deficient number, since it is larger than the sum of its proper divisors (9994668777).

25007161623 is a wasteful number, since it uses less digits than its factorization.

25007161623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557622.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 25007161623 in words is "twenty-five billion, seven million, one hundred sixty-one thousand, six hundred twenty-three".