361061680 has 40 divisors (see below), whose sum is σ = 959393952. Its totient is φ = 123792384.

The previous prime is 361061671. The next prime is 361061683. The reversal of 361061680 is 86160163.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (361061683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321817 + ... + 322936.

Almost surely, 2^361061680 is an apocalyptic number.

It is an amenable number.

361061680 is an abundant number, since it is smaller than the sum of its proper divisors (598332272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

361061680 is a wasteful number, since it uses less digits than its factorization.

361061680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644773 (or 644767 counting only the distinct ones).

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

The square root of 361061680 is about 19001.6230885680. The cubic root of 361061680 is about 712.0772861440.

The spelling of 361061680 in words is "three hundred sixty-one million, sixty-one thousand, six hundred eighty".