361001668 has 6 divisors (see below), whose sum is σ = 631752926. Its totient is φ = 180500832.

The previous prime is 361001659. The next prime is 361001671. The reversal of 361001668 is 866100163.

It can be written as a sum of positive squares in only one way, i.e., 221950404 + 139051264 = 14898^2 + 11792^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45125205 + ... + 45125212.

Almost surely, 2^361001668 is an apocalyptic number.

It is an amenable number.

361001668 is a deficient number, since it is larger than the sum of its proper divisors (270751258).

361001668 is a wasteful number, since it uses less digits than its factorization.

361001668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90250421 (or 90250419 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 361001668 is about 19000.0438946861. The cubic root of 361001668 is about 712.0378325434.

The spelling of 361001668 in words is "three hundred sixty-one million, one thousand, six hundred sixty-eight".