67194780990 has 16 divisors (see below), whose sum is σ = 161267474448. Its totient is φ = 17918608256.

The previous prime is 67194780953. The next prime is 67194781001. The reversal of 67194780990 is 9908749176.

It is a congruent number.

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, 1119912987 + ... + 1119913046.

It is an arithmetic number, because the mean of its divisors is an integer number (10079217153).

Almost surely, 2^67194780990 is an apocalyptic number.

67194780990 is an abundant number, since it is smaller than the sum of its proper divisors (94072693458).

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

67194780990 is a wasteful number, since it uses less digits than its factorization.

67194780990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239826043.

The product of its (nonzero) digits is 6858432, while the sum is 60.

The spelling of 67194780990 in words is "sixty-seven billion, one hundred ninety-four million, seven hundred eighty thousand, nine hundred ninety".