2667167271172 has 6 divisors (see below), whose sum is σ = 4667542724558. Its totient is φ = 1333583635584.

The previous prime is 2667167271103. The next prime is 2667167271173. The reversal of 2667167271172 is 2711727617662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1418347611136 + 1248819660036 = 1190944^2 + 1117506^2 .

It is a super-2 number, since 2×2667167271172² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2667167271173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333395908893 + ... + 333395908900.

Almost surely, 2^{2667167271172} is an apocalyptic number.

It is an amenable number.

2667167271172 is a deficient number, since it is larger than the sum of its proper divisors (2000375453386).

2667167271172 is a wasteful number, since it uses less digits than its factorization.

2667167271172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666791817797 (or 666791817795 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 55.

The spelling of 2667167271172 in words is "two trillion, six hundred sixty-seven billion, one hundred sixty-seven million, two hundred seventy-one thousand, one hundred seventy-two".