67641513970746 has 8 divisors (see below), whose sum is σ = 135283027941504. Its totient is φ = 22547171323580.

The previous prime is 67641513970727. The next prime is 67641513970763. The reversal of 67641513970746 is 64707931514676.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

67641513970746 is an admirable number.

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, 5636792830890 + ... + 5636792830901.

It is an arithmetic number, because the mean of its divisors is an integer number (16910378492688).

Almost surely, 2^{67641513970746} is an apocalyptic number.

67641513970746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67641513970746 is a wasteful number, since it uses less digits than its factorization.

67641513970746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11273585661796.

The product of its (nonzero) digits is 160030080, while the sum is 66.

The spelling of 67641513970746 in words is "sixty-seven trillion, six hundred forty-one billion, five hundred thirteen million, nine hundred seventy thousand, seven hundred forty-six".