18674573580690 has 32 divisors (see below), whose sum is σ = 44819151163200. Its totient is φ = 4979866891584.

The previous prime is 18674573580659. The next prime is 18674573580703. The reversal of 18674573580690 is 9608537547681.

It is a super-2 number, since 2×18674573580690² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7689961 + ... + 9822659.

It is an arithmetic number, because the mean of its divisors is an integer number (1400598473850).

Almost surely, 2^{18674573580690} is an apocalyptic number.

18674573580690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18674573580690 is an abundant number, since it is smaller than the sum of its proper divisors (26144577582510).

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

18674573580690 is a wasteful number, since it uses less digits than its factorization.

18674573580690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424586.

The product of its (nonzero) digits is 304819200, while the sum is 69.

The spelling of 18674573580690 in words is "eighteen trillion, six hundred seventy-four billion, five hundred seventy-three million, five hundred eighty thousand, six hundred ninety".