101566502157 has 8 divisors (see below), whose sum is σ = 135427972480. Its totient is φ = 67708016640.

The previous prime is 101566502143. The next prime is 101566502183. The reversal of 101566502157 is 751205665101.

It is a happy number.

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

It is not a de Polignac number, because 101566502157 - 2¹⁰ = 101566501133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101566502137) 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, 665557 + ... + 803802.

It is an arithmetic number, because the mean of its divisors is an integer number (16928496560).

Almost surely, 2^101566502157 is an apocalyptic number.

It is an amenable number.

101566502157 is a deficient number, since it is larger than the sum of its proper divisors (33861470323).

101566502157 is a wasteful number, since it uses less digits than its factorization.

101566502157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492403.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 101566502157 in words is "one hundred one billion, five hundred sixty-six million, five hundred two thousand, one hundred fifty-seven".