68572166145 has 16 divisors (see below), whose sum is σ = 125389104000. Its totient is φ = 31347275904.

The previous prime is 68572166123. The next prime is 68572166197. The reversal of 68572166145 is 54166127586.

It is a happy number.

68572166145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68572166145 - 2¹⁷ = 68572035073 is a prime.

It is a super-2 number, since 2×68572166145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326534020 + ... + 326534229.

It is an arithmetic number, because the mean of its divisors is an integer number (7836819000).

Almost surely, 2^68572166145 is an apocalyptic number.

It is an amenable number.

68572166145 is a deficient number, since it is larger than the sum of its proper divisors (56816937855).

68572166145 is a wasteful number, since it uses less digits than its factorization.

68572166145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653068264.

The product of its digits is 2419200, while the sum is 51.

The spelling of 68572166145 in words is "sixty-eight billion, five hundred seventy-two million, one hundred sixty-six thousand, one hundred forty-five".