363161421 has 64 divisors (see below), whose sum is σ = 675532800. Its totient is φ = 188008128.

The previous prime is 363161413. The next prime is 363161431. The reversal of 363161421 is 124161363.

363161421 is a `hidden beast` number, since 3 + 631 + 6 + 1 + 4 + 21 = 666.

It is not a de Polignac number, because 363161421 - 2³ = 363161413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363161411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80395 + ... + 84791.

It is an arithmetic number, because the mean of its divisors is an integer number (10555200).

Almost surely, 2^363161421 is an apocalyptic number.

It is an amenable number.

363161421 is a deficient number, since it is larger than the sum of its proper divisors (312371379).

363161421 is a wasteful number, since it uses less digits than its factorization.

363161421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455 (or 4449 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 363161421 is about 19056.7946150448. The cubic root of 363161421 is about 713.4549720994.

The spelling of 363161421 in words is "three hundred sixty-three million, one hundred sixty-one thousand, four hundred twenty-one".