100505660070 has 32 divisors (see below), whose sum is σ = 241253740512. Its totient is φ = 26797047552.

The previous prime is 100505660063. The next prime is 100505660071. The reversal of 100505660070 is 70066505001.

It is a super-2 number, since 2×100505660070² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505660071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93637 + ... + 458016.

It is an arithmetic number, because the mean of its divisors is an integer number (7539179391).

Almost surely, 2^100505660070 is an apocalyptic number.

100505660070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100505660070 is an abundant number, since it is smaller than the sum of its proper divisors (140748080442).

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

100505660070 is a wasteful number, since it uses less digits than its factorization.

100505660070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557736.

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 100505660070 in words is "one hundred billion, five hundred five million, six hundred sixty thousand, seventy".