100663663437 has 24 divisors (see below), whose sum is σ = 157344393024. Its totient is φ = 64191318048.

The previous prime is 100663663427. The next prime is 100663663487. The reversal of 100663663437 is 734366366001.

100663663437 is a `hidden beast` number, since 1 + 0 + 0 + 6 + 6 + 3 + 6 + 634 + 3 + 7 = 666.

It is not a de Polignac number, because 100663663437 - 2⁸ = 100663663181 is a prime.

It is a super-2 number, since 2×100663663437² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100663663392 and 100663663401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100663663427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8999928 + ... + 9011105.

It is an arithmetic number, because the mean of its divisors is an integer number (6556016376).

Almost surely, 2^100663663437 is an apocalyptic number.

It is an amenable number.

100663663437 is a deficient number, since it is larger than the sum of its proper divisors (56680729587).

100663663437 is an equidigital number, since it uses as much as digits as its factorization.

100663663437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011071 (or 18011059 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 45.

The spelling of 100663663437 in words is "one hundred billion, six hundred sixty-three million, six hundred sixty-three thousand, four hundred thirty-seven".