361162721 has 8 divisors (see below), whose sum is σ = 377182464. Its totient is φ = 345169440.

The previous prime is 361162709. The next prime is 361162733. The reversal of 361162721 is 127261163.

It is an interprime number because it is at equal distance from previous prime (361162709) and next prime (361162733).

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

It is a cyclic number.

It is not a de Polignac number, because 361162721 - 2⁶ = 361162657 is a prime.

It is a super-2 number, since 2×361162721² = 260877022080247682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361162421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24440 + ... + 36326.

It is an arithmetic number, because the mean of its divisors is an integer number (47147808).

Almost surely, 2^361162721 is an apocalyptic number.

It is an amenable number.

361162721 is a deficient number, since it is larger than the sum of its proper divisors (16019743).

361162721 is a wasteful number, since it uses less digits than its factorization.

361162721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13231.

The product of its digits is 3024, while the sum is 29.

The square root of 361162721 is about 19004.2816491442. The cubic root of 361162721 is about 712.1437035038.

The spelling of 361162721 in words is "three hundred sixty-one million, one hundred sixty-two thousand, seven hundred twenty-one".