165420614 has 8 divisors (see below), whose sum is σ = 248786760. Its totient is φ = 82491696.

The previous prime is 165420581. The next prime is 165420637. The reversal of 165420614 is 416024561.

165420614 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×165420614² = 54727959072273992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108359 + ... + 109874.

It is an arithmetic number, because the mean of its divisors is an integer number (31098345).

Almost surely, 2^165420614 is an apocalyptic number.

165420614 is a deficient number, since it is larger than the sum of its proper divisors (83366146).

165420614 is a wasteful number, since it uses less digits than its factorization.

165420614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218614.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 165420614 is about 12861.5945356709. The cubic root of 165420614 is about 548.9463176453.

The spelling of 165420614 in words is "one hundred sixty-five million, four hundred twenty thousand, six hundred fourteen".