126893040164 has 24 divisors (see below), whose sum is σ = 242261778528. Its totient is φ = 57675933440.

The previous prime is 126893040163. The next prime is 126893040173. The reversal of 126893040164 is 461040398621.

It is a super-2 number, since 2×126893040164² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (126893040161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100852 + ... + 1210644.

It is an arithmetic number, because the mean of its divisors is an integer number (10094240772).

Almost surely, 2^126893040164 is an apocalyptic number.

It is an amenable number.

126893040164 is a deficient number, since it is larger than the sum of its proper divisors (115368738364).

126893040164 is a wasteful number, since it uses less digits than its factorization.

126893040164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136075 (or 136073 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 126893040164 in words is "one hundred twenty-six billion, eight hundred ninety-three million, forty thousand, one hundred sixty-four".