6664157453852 has 36 divisors (see below), whose sum is σ = 12277983985848. Its totient is φ = 3163750855200.

The previous prime is 6664157453827. The next prime is 6664157453857. The reversal of 6664157453852 is 2583547514666.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664157453857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16151474 + ... + 16558937.

It is an arithmetic number, because the mean of its divisors is an integer number (341055110718).

Almost surely, 2^{6664157453852} is an apocalyptic number.

6664157453852 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6664157453852 is a deficient number, since it is larger than the sum of its proper divisors (5613826531996).

6664157453852 is a wasteful number, since it uses less digits than its factorization.

6664157453852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32710530 (or 32710497 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 62.

The spelling of 6664157453852 in words is "six trillion, six hundred sixty-four billion, one hundred fifty-seven million, four hundred fifty-three thousand, eight hundred fifty-two".