67172553402025 has 96 divisors (see below), whose sum is σ = 90064860480000. Its totient is φ = 49530761280000.

The previous prime is 67172553401981. The next prime is 67172553402041. The reversal of 67172553402025 is 52020435527176.

It is not a de Polignac number, because 67172553402025 - 2³¹ = 67170405918377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67172553402025.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24596319910 + ... + 24596322640.

It is an arithmetic number, because the mean of its divisors is an integer number (938175630000).

Almost surely, 2^{67172553402025} is an apocalyptic number.

It is an amenable number.

67172553402025 is a deficient number, since it is larger than the sum of its proper divisors (22892307077975).

67172553402025 is a wasteful number, since it uses less digits than its factorization.

67172553402025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831 (or 5826 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 67172553402025 in words is "sixty-seven trillion, one hundred seventy-two billion, five hundred fifty-three million, four hundred two thousand, twenty-five".