402161363 has 4 divisors (see below), whose sum is σ = 406680120. Its totient is φ = 397642608.

The previous prime is 402161339. The next prime is 402161369. The reversal of 402161363 is 363161204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402161363 - 2¹² = 402157267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402161369) 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, 2259245 + ... + 2259422.

It is an arithmetic number, because the mean of its divisors is an integer number (101670030).

Almost surely, 2^402161363 is an apocalyptic number.

402161363 is a deficient number, since it is larger than the sum of its proper divisors (4518757).

402161363 is an equidigital number, since it uses as much as digits as its factorization.

402161363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518756.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 402161363 is about 20053.9612795078. The cubic root of 402161363 is about 738.1310048402.

The spelling of 402161363 in words is "four hundred two million, one hundred sixty-one thousand, three hundred sixty-three".