368181779890 has 16 divisors (see below), whose sum is σ = 662750146008. Its totient is φ = 147267613696.

The previous prime is 368181779887. The next prime is 368181779921. The reversal of 368181779890 is 98977181863.

It can be written as a sum of positive squares in 4 ways, for example, as 241117335369 + 127064444521 = 491037^2 + 356461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326767 + ... + 918226.

Almost surely, 2^368181779890 is an apocalyptic number.

368181779890 is a deficient number, since it is larger than the sum of its proper divisors (294568366118).

368181779890 is a wasteful number, since it uses less digits than its factorization.

368181779890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274573.

The product of its (nonzero) digits is 36578304, while the sum is 67.

The spelling of 368181779890 in words is "three hundred sixty-eight billion, one hundred eighty-one million, seven hundred seventy-nine thousand, eight hundred ninety".