101649896 has 8 divisors (see below), whose sum is σ = 190593570. Its totient is φ = 50824944.

The previous prime is 101649887. The next prime is 101649913. The reversal of 101649896 is 698946101.

It can be written as a sum of positive squares in only one way, i.e., 94284100 + 7365796 = 9710^2 + 2714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353111 + ... + 6353126.

Almost surely, 2^101649896 is an apocalyptic number.

It is an amenable number.

101649896 is a deficient number, since it is larger than the sum of its proper divisors (88943674).

101649896 is a wasteful number, since it uses less digits than its factorization.

101649896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12706243 (or 12706239 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 101649896 is about 10082.1573088303. The cubic root of 101649896 is about 466.6976845596.

The spelling of 101649896 in words is "one hundred one million, six hundred forty-nine thousand, eight hundred ninety-six".