106566420 has 48 divisors (see below), whose sum is σ = 298948608. Its totient is φ = 28364160.

The previous prime is 106566379. The next prime is 106566433. The reversal of 106566420 is 24665601.

It is a super-2 number, since 2×106566420² = 22712803743232800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38317 + ... + 41003.

It is an arithmetic number, because the mean of its divisors is an integer number (6228096).

Almost surely, 2^106566420 is an apocalyptic number.

106566420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106566420 is an abundant number, since it is smaller than the sum of its proper divisors (192382188).

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

106566420 is a wasteful number, since it uses less digits than its factorization.

106566420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 106566420 is about 10323.1012782012. The cubic root of 106566420 is about 474.1038245746.

The spelling of 106566420 in words is "one hundred six million, five hundred sixty-six thousand, four hundred twenty".