78167349366 has 16 divisors (see below), whose sum is σ = 156342391488. Its totient is φ = 26054501000.

The previous prime is 78167349353. The next prime is 78167349467. The reversal of 78167349366 is 66394376187.

It is a happy number.

It is a super-2 number, since 2×78167349366² (a number of 23 digits) contains 22 as substring.

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, 183960 + ... + 436091.

It is an arithmetic number, because the mean of its divisors is an integer number (9771399468).

Almost surely, 2^78167349366 is an apocalyptic number.

78167349366 is an abundant number, since it is smaller than the sum of its proper divisors (78175042122).

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

78167349366 is a wasteful number, since it uses less digits than its factorization.

78167349366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641067.

The product of its digits is 27433728, while the sum is 60.

The spelling of 78167349366 in words is "seventy-eight billion, one hundred sixty-seven million, three hundred forty-nine thousand, three hundred sixty-six".