361111690 has 16 divisors (see below), whose sum is σ = 650297160. Its totient is φ = 144378880.

The previous prime is 361111687. The next prime is 361111691. The reversal of 361111690 is 96111163.

It can be written as a sum of positive squares in 4 ways, for example, as 256928841 + 104182849 = 16029^2 + 10207^2 .

It is a super-2 number, since 2×361111690² = 260803305309312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (361111691) 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, 19170 + ... + 33010.

Almost surely, 2^361111690 is an apocalyptic number.

361111690 is a deficient number, since it is larger than the sum of its proper divisors (289185470).

361111690 is a wasteful number, since it uses less digits than its factorization.

361111690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16457.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 361111690 is about 19002.9389832205. The cubic root of 361111690 is about 712.1101608050.

The spelling of 361111690 in words is "three hundred sixty-one million, one hundred eleven thousand, six hundred ninety".