67401705712164 has 12 divisors (see below), whose sum is σ = 157270646661744. Its totient is φ = 22467235237384.

The previous prime is 67401705712147. The next prime is 67401705712217. The reversal of 67401705712164 is 46121750710476.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×67401705712164² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808404404662 + ... + 2808404404685.

It is an arithmetic number, because the mean of its divisors is an integer number (13105887221812).

Almost surely, 2^{67401705712164} is an apocalyptic number.

It is an amenable number.

67401705712164 is an abundant number, since it is smaller than the sum of its proper divisors (89868940949580).

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

67401705712164 is a wasteful number, since it uses less digits than its factorization.

67401705712164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616808809354 (or 5616808809352 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 67401705712164 in words is "sixty-seven trillion, four hundred one billion, seven hundred five million, seven hundred twelve thousand, one hundred sixty-four".