106556427 has 24 divisors (see below), whose sum is σ = 163217600. Its totient is φ = 66799728.

The previous prime is 106556423. The next prime is 106556431. The reversal of 106556427 is 724655601.

It is a happy number.

106556427 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 5 + 642 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (106556423) and next prime (106556431).

It is not a de Polignac number, because 106556427 - 2² = 106556423 is a prime.

It is a super-2 number, since 2×106556427² = 22708544270012658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106556391 and 106556400.

It is not an unprimeable number, because it can be changed into a prime (106556423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21528 + ... + 26010.

Almost surely, 2^106556427 is an apocalyptic number.

106556427 is a deficient number, since it is larger than the sum of its proper divisors (56661173).

106556427 is a wasteful number, since it uses less digits than its factorization.

106556427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 106556427 is about 10322.6172553282. The cubic root of 106556427 is about 474.0890048105.

The spelling of 106556427 in words is "one hundred six million, five hundred fifty-six thousand, four hundred twenty-seven".