100691064 has 48 divisors (see below), whose sum is σ = 276559920. Its totient is φ = 33089280.

The previous prime is 100691057. The next prime is 100691077. The reversal of 100691064 is 460196001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4737 + ... + 14960.

It is an arithmetic number, because the mean of its divisors is an integer number (5761665).

Almost surely, 2^100691064 is an apocalyptic number.

It is an amenable number.

100691064 is an abundant number, since it is smaller than the sum of its proper divisors (175868856).

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

100691064 is a wasteful number, since it uses less digits than its factorization.

100691064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19780 (or 19773 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 100691064 is about 10034.4937092013. The cubic root of 100691064 is about 465.2256414436.

The spelling of 100691064 in words is "one hundred million, six hundred ninety-one thousand, sixty-four".