657950532134 has 32 divisors (see below), whose sum is σ = 1164564559872. Its totient is φ = 272820600000.

The previous prime is 657950532133. The next prime is 657950532139. The reversal of 657950532134 is 431235059756.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657950532133) 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, 1761434 + ... + 2102034.

It is an arithmetic number, because the mean of its divisors is an integer number (36392642496).

Almost surely, 2^657950532134 is an apocalyptic number.

657950532134 is a deficient number, since it is larger than the sum of its proper divisors (506614027738).

657950532134 is a wasteful number, since it uses less digits than its factorization.

657950532134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345092.

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

The spelling of 657950532134 in words is "six hundred fifty-seven billion, nine hundred fifty million, five hundred thirty-two thousand, one hundred thirty-four".