68320167755152 has 20 divisors (see below), whose sum is σ = 132370462927836. Its totient is φ = 34160048289920.

The previous prime is 68320167755131. The next prime is 68320167755173. The reversal of 68320167755152 is 25155776102386.

It is an interprime number because it is at equal distance from previous prime (68320167755131) and next prime (68320167755173).

It can be written as a sum of positive squares in 2 ways, for example, as 43113984383376 + 25206183371776 = 6566124^2 + 5020576^2 .

It is a super-2 number, since 2×68320167755152² (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, 20897502 + ... + 23944642.

Almost surely, 2^{68320167755152} is an apocalyptic number.

It is an amenable number.

68320167755152 is a deficient number, since it is larger than the sum of its proper divisors (64050295172684).

68320167755152 is a wasteful number, since it uses less digits than its factorization.

68320167755152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448466 (or 4448460 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 68320167755152 in words is "sixty-eight trillion, three hundred twenty billion, one hundred sixty-seven million, seven hundred fifty-five thousand, one hundred fifty-two".