166401010553624 has 32 divisors (see below), whose sum is σ = 388989375321600. Its totient is φ = 64831562553120.

The previous prime is 166401010553563. The next prime is 166401010553719. The reversal of 166401010553624 is 426355010104661.

166401010553624 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135065754704 + ... + 135065755935.

It is an arithmetic number, because the mean of its divisors is an integer number (12155917978800).

Almost surely, 2^{166401010553624} is an apocalyptic number.

166401010553624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166401010553624 is an abundant number, since it is smaller than the sum of its proper divisors (222588364767976).

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

166401010553624 is a wasteful number, since it uses less digits than its factorization.

166401010553624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270131510663 (or 270131510659 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 166401010553624 in words is "one hundred sixty-six trillion, four hundred one billion, ten million, five hundred fifty-three thousand, six hundred twenty-four".