2500001250164 has 24 divisors (see below), whose sum is σ = 4838109523968. Its totient is φ = 1120797570240.

The previous prime is 2500001250161. The next prime is 2500001250193. The reversal of 2500001250164 is 4610521000052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500001250161) 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 in 7 ways as a sum of consecutive naturals, for example, 389162612 + ... + 389169035.

It is an arithmetic number, because the mean of its divisors is an integer number (201587896832).

Almost surely, 2^{2500001250164} is an apocalyptic number.

It is an amenable number.

2500001250164 is a deficient number, since it is larger than the sum of its proper divisors (2338108273804).

2500001250164 is a wasteful number, since it uses less digits than its factorization.

2500001250164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778331735 (or 778331733 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 2500001250164 in words is "two trillion, five hundred billion, one million, two hundred fifty thousand, one hundred sixty-four".