100664634 has 64 divisors (see below), whose sum is σ = 237726720. Its totient is φ = 27820800.

The previous prime is 100664617. The next prime is 100664639. The reversal of 100664634 is 436466001.

It is not an unprimeable number, because it can be changed into a prime (100664639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250834 + ... + 251234.

It is an arithmetic number, because the mean of its divisors is an integer number (3714480).

Almost surely, 2^100664634 is an apocalyptic number.

100664634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100664634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118863360).

100664634 is an abundant number, since it is smaller than the sum of its proper divisors (137062086).

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

100664634 is a wasteful number, since it uses less digits than its factorization.

100664634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 100664634 is about 10033.1766654435. The cubic root of 100664634 is about 465.1849328007.

The spelling of 100664634 in words is "one hundred million, six hundred sixty-four thousand, six hundred thirty-four".