126531466464 has 96 divisors (see below), whose sum is σ = 370029129120. Its totient is φ = 37590239232.

The previous prime is 126531466459. The next prime is 126531466469. The reversal of 126531466464 is 464664135621.

It is an interprime number because it is at equal distance from previous prime (126531466459) and next prime (126531466469).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126531466469) 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, 1711867 + ... + 1784250.

It is an arithmetic number, because the mean of its divisors is an integer number (3854470095).

Almost surely, 2^126531466464 is an apocalyptic number.

It is an amenable number.

126531466464 is an abundant number, since it is smaller than the sum of its proper divisors (243497662656).

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

126531466464 is a wasteful number, since it uses less digits than its factorization.

126531466464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496172 (or 3496164 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 48.

The spelling of 126531466464 in words is "one hundred twenty-six billion, five hundred thirty-one million, four hundred sixty-six thousand, four hundred sixty-four".