101656604993 has 8 divisors (see below), whose sum is σ = 106089050688. Its totient is φ = 97225208784.

The previous prime is 101656604971. The next prime is 101656605047. The reversal of 101656604993 is 399406656101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101656604993 - 2¹⁰ = 101656603969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101656604953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61130 + ... + 455027.

It is an arithmetic number, because the mean of its divisors is an integer number (13261131336).

Almost surely, 2^101656604993 is an apocalyptic number.

It is an amenable number.

101656604993 is a deficient number, since it is larger than the sum of its proper divisors (4432445695).

101656604993 is an equidigital number, since it uses as much as digits as its factorization.

101656604993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524743.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 101656604993 in words is "one hundred one billion, six hundred fifty-six million, six hundred four thousand, nine hundred ninety-three".