100436166644 has 18 divisors (see below), whose sum is σ = 193194362802. Its totient is φ = 45652802800.

The previous prime is 100436166613. The next prime is 100436166653. The reversal of 100436166644 is 446661634001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99388867600 + 1047299044 = 315260^2 + 32362^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103755887 + ... + 103756854.

Almost surely, 2^100436166644 is an apocalyptic number.

It is an amenable number.

100436166644 is a deficient number, since it is larger than the sum of its proper divisors (92758196158).

100436166644 is a wasteful number, since it uses less digits than its factorization.

100436166644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207512767 (or 207512754 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 100436166644 in words is "one hundred billion, four hundred thirty-six million, one hundred sixty-six thousand, six hundred forty-four".