106165657 has 4 divisors (see below), whose sum is σ = 114332260. Its totient is φ = 97999056.

The previous prime is 106165643. The next prime is 106165699. The reversal of 106165657 is 756561601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43771456 + 62394201 = 6616^2 + 7899^2 .

It is a cyclic number.

It is not a de Polignac number, because 106165657 - 2⁷ = 106165529 is a prime.

It is a super-2 number, since 2×106165657² = 22542293452483298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106165457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4083282 + ... + 4083307.

It is an arithmetic number, because the mean of its divisors is an integer number (28583065).

Almost surely, 2^106165657 is an apocalyptic number.

It is an amenable number.

106165657 is a deficient number, since it is larger than the sum of its proper divisors (8166603).

106165657 is an equidigital number, since it uses as much as digits as its factorization.

106165657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166602.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 106165657 is about 10303.6720153545. The cubic root of 106165657 is about 473.5087592282.

The spelling of 106165657 in words is "one hundred six million, one hundred sixty-five thousand, six hundred fifty-seven".