166113253 has 8 divisors (see below), whose sum is σ = 167400000. Its totient is φ = 164830848.

The previous prime is 166113251. The next prime is 166113271. The reversal of 166113253 is 352311661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166113253 - 2¹ = 166113251 is a prime.

It is a super-2 number, since 2×166113253² = 55187225644484018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166113251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132373 + ... + 133621.

It is an arithmetic number, because the mean of its divisors is an integer number (20925000).

Almost surely, 2^166113253 is an apocalyptic number.

It is an amenable number.

166113253 is a deficient number, since it is larger than the sum of its proper divisors (1286747).

166113253 is a wasteful number, since it uses less digits than its factorization.

166113253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its digits is 3240, while the sum is 28.

The square root of 166113253 is about 12888.4930461245. The cubic root of 166113253 is about 549.7114221672.

The spelling of 166113253 in words is "one hundred sixty-six million, one hundred thirteen thousand, two hundred fifty-three".