68701521250616 has 8 divisors (see below), whose sum is σ = 128815352344920. Its totient is φ = 34350760625304.

The previous prime is 68701521250597. The next prime is 68701521250631. The reversal of 68701521250616 is 61605212510786.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4293845078156 + ... + 4293845078171.

It is an arithmetic number, because the mean of its divisors is an integer number (16101919043115).

Almost surely, 2^{68701521250616} is an apocalyptic number.

It is an amenable number.

68701521250616 is a deficient number, since it is larger than the sum of its proper divisors (60113831094304).

68701521250616 is a wasteful number, since it uses less digits than its factorization.

68701521250616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8587690156333 (or 8587690156329 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 68701521250616 in words is "sixty-eight trillion, seven hundred one billion, five hundred twenty-one million, two hundred fifty thousand, six hundred sixteen".