2506020164 has 6 divisors (see below), whose sum is σ = 4385535294. Its totient is φ = 1253010080.

The previous prime is 2506020149. The next prime is 2506020233. The reversal of 2506020164 is 4610206052.

2506020164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1579426564 + 926593600 = 39742^2 + 30440^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313252517 + ... + 313252524.

It is an arithmetic number, because the mean of its divisors is an integer number (730922549).

Almost surely, 2^2506020164 is an apocalyptic number.

It is an amenable number.

2506020164 is a deficient number, since it is larger than the sum of its proper divisors (1879515130).

2506020164 is a wasteful number, since it uses less digits than its factorization.

2506020164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626505045 (or 626505043 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2506020164 is about 50060.1654411969. The cubic root of 2506020164 is about 1358.2973509515.

The spelling of 2506020164 in words is "two billion, five hundred six million, twenty thousand, one hundred sixty-four".