101658550680 has 48 divisors (see below), whose sum is σ = 330390290880. Its totient is φ = 27108946752.

The previous prime is 101658550661. The next prime is 101658550757. The reversal of 101658550680 is 86055856101.

101658550680 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 585 + 5 + 0 + 68 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141192072 + ... + 141192791.

It is an arithmetic number, because the mean of its divisors is an integer number (6883131060).

Almost surely, 2^101658550680 is an apocalyptic number.

101658550680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101658550680 is an abundant number, since it is smaller than the sum of its proper divisors (228731740200).

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

101658550680 is a wasteful number, since it uses less digits than its factorization.

101658550680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282384880 (or 282384873 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 101658550680 in words is "one hundred one billion, six hundred fifty-eight million, five hundred fifty thousand, six hundred eighty".