101420664 has 32 divisors (see below), whose sum is σ = 255802320. Its totient is φ = 33506816.

The previous prime is 101420659. The next prime is 101420677. The reversal of 101420664 is 466024101.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 15987 + ... + 21410.

Almost surely, 2^101420664 is an apocalyptic number.

It is an amenable number.

101420664 is an abundant number, since it is smaller than the sum of its proper divisors (154381656).

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

101420664 is a wasteful number, since it uses less digits than its factorization.

101420664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37519 (or 37515 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 101420664 is about 10070.7826905360. The cubic root of 101420664 is about 466.3466018479.

Adding to 101420664 its reverse (466024101), we get a palindrome (567444765).

The spelling of 101420664 in words is "one hundred one million, four hundred twenty thousand, six hundred sixty-four".