93121665824940 has 48 divisors (see below), whose sum is σ = 260745064378848. Its totient is φ = 24832025165824.

The previous prime is 93121665824903. The next prime is 93121665824947. The reversal of 93121665824940 is 4942856612139.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (93121665824947) 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, 9502167 + ... + 16629326.

It is an arithmetic number, because the mean of its divisors is an integer number (5432188841226).

Almost surely, 2^{93121665824940} is an apocalyptic number.

It is an amenable number.

93121665824940 is an abundant number, since it is smaller than the sum of its proper divisors (167623398553908).

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

93121665824940 is a wasteful number, since it uses less digits than its factorization.

93121665824940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26190898 (or 26190896 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 93121665824940 in words is "ninety-three trillion, one hundred twenty-one billion, six hundred sixty-five million, eight hundred twenty-four thousand, nine hundred forty".