28162660526 has 64 divisors (see below), whose sum is σ = 57876940800. Its totient is φ = 10128394080.

The previous prime is 28162660507. The next prime is 28162660573. The reversal of 28162660526 is 62506626182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45446 + ... + 241641.

It is an arithmetic number, because the mean of its divisors is an integer number (904327200).

Almost surely, 2^28162660526 is an apocalyptic number.

28162660526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28162660526 is an abundant number, since it is smaller than the sum of its proper divisors (29714280274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28162660526 is a wasteful number, since it uses less digits than its factorization.

28162660526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287134 (or 287120 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 28162660526 in words is "twenty-eight billion, one hundred sixty-two million, six hundred sixty thousand, five hundred twenty-six".