165541070 has 32 divisors (see below), whose sum is σ = 317167488. Its totient is φ = 61992448.

The previous prime is 165541063. The next prime is 165541109. The reversal of 165541070 is 70145561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31019 + ... + 35961.

It is an arithmetic number, because the mean of its divisors is an integer number (9911484).

Almost surely, 2^165541070 is an apocalyptic number.

165541070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165541070 is a deficient number, since it is larger than the sum of its proper divisors (151626418).

165541070 is a wasteful number, since it uses less digits than its factorization.

165541070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 165541070 is about 12866.2764621315. The cubic root of 165541070 is about 549.0795292455.

The spelling of 165541070 in words is "one hundred sixty-five million, five hundred forty-one thousand, seventy".