101551664 has 20 divisors (see below), whose sum is σ = 197512656. Its totient is φ = 50580672.

The previous prime is 101551663. The next prime is 101551673. The reversal of 101551664 is 466155101.

It is a super-2 number, since 2×101551664² = 20625480922337792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101551663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7859 + ... + 16274.

Almost surely, 2^101551664 is an apocalyptic number.

It is an amenable number.

101551664 is a deficient number, since it is larger than the sum of its proper divisors (95960992).

101551664 is a wasteful number, since it uses less digits than its factorization.

101551664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24404 (or 24398 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 101551664 is about 10077.2845548789. The cubic root of 101551664 is about 466.5473009901.

The spelling of 101551664 in words is "one hundred one million, five hundred fifty-one thousand, six hundred sixty-four".