106621880 has 16 divisors (see below), whose sum is σ = 239899320. Its totient is φ = 42648736.

The previous prime is 106621877. The next prime is 106621891. The reversal of 106621880 is 88126601.

It is a super-2 number, since 2×106621880² = 22736450589468800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332734 + ... + 1332813.

Almost surely, 2^106621880 is an apocalyptic number.

106621880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106621880 is an abundant number, since it is smaller than the sum of its proper divisors (133277440).

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

106621880 is a wasteful number, since it uses less digits than its factorization.

106621880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665558 (or 2665554 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 106621880 is about 10325.7871370661. The cubic root of 106621880 is about 474.1860557255.

The spelling of 106621880 in words is "one hundred six million, six hundred twenty-one thousand, eight hundred eighty".