165366430 has 8 divisors (see below), whose sum is σ = 297659592. Its totient is φ = 66146568.

The previous prime is 165366427. The next prime is 165366437. The reversal of 165366430 is 34663561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165366437) 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, 8268312 + ... + 8268331.

It is an arithmetic number, because the mean of its divisors is an integer number (37207449).

Almost surely, 2^165366430 is an apocalyptic number.

165366430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165366430 is a deficient number, since it is larger than the sum of its proper divisors (132293162).

165366430 is a wasteful number, since it uses less digits than its factorization.

165366430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16536650.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 165366430 is about 12859.4879369281. The cubic root of 165366430 is about 548.8863747826.

It can be divided in two parts, 1653 and 66430, that multiplied together give a triangular number (109808790 = T₁₄₈₁₉).

The spelling of 165366430 in words is "one hundred sixty-five million, three hundred sixty-six thousand, four hundred thirty".