100536661942 has 8 divisors (see below), whose sum is σ = 150809620032. Its totient is φ = 50266788600.

The previous prime is 100536661919. The next prime is 100536661943. The reversal of 100536661942 is 249166635001.

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

It is a super-2 number, since 2×100536661942² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100536661943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687909 + ... + 821152.

It is an arithmetic number, because the mean of its divisors is an integer number (18851202504).

Almost surely, 2^100536661942 is an apocalyptic number.

100536661942 is a deficient number, since it is larger than the sum of its proper divisors (50272958090).

100536661942 is a wasteful number, since it uses less digits than its factorization.

100536661942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542374.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 100536661942 in words is "one hundred billion, five hundred thirty-six million, six hundred sixty-one thousand, nine hundred forty-two".