106556537 has 16 divisors (see below), whose sum is σ = 112284480. Its totient is φ = 101025792.

The previous prime is 106556533. The next prime is 106556551. The reversal of 106556537 is 735655601.

It is a cyclic number.

It is not a de Polignac number, because 106556537 - 2² = 106556533 is a prime.

It is a super-2 number, since 2×106556537² = 22708591154864738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106556537.

It is not an unprimeable number, because it can be changed into a prime (106556531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245873 + ... + 246305.

It is an arithmetic number, because the mean of its divisors is an integer number (7017780).

Almost surely, 2^106556537 is an apocalyptic number.

It is an amenable number.

106556537 is a deficient number, since it is larger than the sum of its proper divisors (5727943).

106556537 is an equidigital number, since it uses as much as digits as its factorization.

106556537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 106556537 is about 10322.6225834330. The cubic root of 106556537 is about 474.0891679471.

The spelling of 106556537 in words is "one hundred six million, five hundred fifty-six thousand, five hundred thirty-seven".