101557650320 has 80 divisors (see below), whose sum is σ = 277146571008. Its totient is φ = 33878684160.

The previous prime is 101557650307. The next prime is 101557650323. The reversal of 101557650320 is 23056755101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×101557650320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (101557650323) 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, 2429996 + ... + 2471435.

Almost surely, 2^101557650320 is an apocalyptic number.

101557650320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101557650320 is an abundant number, since it is smaller than the sum of its proper divisors (175588920688).

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

101557650320 is a wasteful number, since it uses less digits than its factorization.

101557650320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901488 (or 4901482 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 101557650320 in words is "one hundred one billion, five hundred fifty-seven million, six hundred fifty thousand, three hundred twenty".