163700517367420 has 24 divisors (see below), whose sum is σ = 375023003424048. Its totient is φ = 59527460860800.

The previous prime is 163700517367339. The next prime is 163700517367451. The reversal of 163700517367420 is 24763715007361.

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, 372046630161 + ... + 372046630600.

It is an arithmetic number, because the mean of its divisors is an integer number (15625958476002).

Almost surely, 2^{163700517367420} is an apocalyptic number.

163700517367420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163700517367420 is an abundant number, since it is smaller than the sum of its proper divisors (211322486056628).

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

163700517367420 is a wasteful number, since it uses less digits than its factorization.

163700517367420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744093260781 (or 744093260779 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 163700517367420 in words is "one hundred sixty-three trillion, seven hundred billion, five hundred seventeen million, three hundred sixty-seven thousand, four hundred twenty".