126886355664 has 80 divisors (see below), whose sum is σ = 328778242560. Its totient is φ = 42168107520.

The previous prime is 126886355663. The next prime is 126886355677. The reversal of 126886355664 is 466553688621.

It is a super-2 number, since 2×126886355664² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126886355598 and 126886355607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126886355663) 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, 26492982 + ... + 26497770.

It is an arithmetic number, because the mean of its divisors is an integer number (4109728032).

Almost surely, 2^126886355664 is an apocalyptic number.

It is an amenable number.

126886355664 is an abundant number, since it is smaller than the sum of its proper divisors (201891886896).

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

126886355664 is a wasteful number, since it uses less digits than its factorization.

126886355664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348 (or 6342 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 60.

The spelling of 126886355664 in words is "one hundred twenty-six billion, eight hundred eighty-six million, three hundred fifty-five thousand, six hundred sixty-four".