126761339664 has 160 divisors (see below), whose sum is σ = 405532080000. Its totient is φ = 37675155456.

The previous prime is 126761339629. The next prime is 126761339693. The reversal of 126761339664 is 466933167621.

126761339664 is a `hidden beast` number, since 12 + 6 + 7 + 613 + 3 + 9 + 6 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 126761339664.

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, 314689 + ... + 593760.

It is an arithmetic number, because the mean of its divisors is an integer number (2534575500).

Almost surely, 2^126761339664 is an apocalyptic number.

It is an amenable number.

126761339664 is an abundant number, since it is smaller than the sum of its proper divisors (278770740336).

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

126761339664 is a wasteful number, since it uses less digits than its factorization.

126761339664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908502 (or 908490 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 126761339664 in words is "one hundred twenty-six billion, seven hundred sixty-one million, three hundred thirty-nine thousand, six hundred sixty-four".