126664272532 has 48 divisors (see below), whose sum is σ = 264380643072. Its totient is φ = 51917057280.

The previous prime is 126664272517. The next prime is 126664272547. The reversal of 126664272532 is 235272466621.

It is an interprime number because it is at equal distance from previous prime (126664272517) and next prime (126664272547).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8347032 + ... + 8362192.

It is an arithmetic number, because the mean of its divisors is an integer number (5507930064).

Almost surely, 2^126664272532 is an apocalyptic number.

It is an amenable number.

126664272532 is an abundant number, since it is smaller than the sum of its proper divisors (137716370540).

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

126664272532 is a wasteful number, since it uses less digits than its factorization.

126664272532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28168 (or 28166 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The spelling of 126664272532 in words is "one hundred twenty-six billion, six hundred sixty-four million, two hundred seventy-two thousand, five hundred thirty-two".