126166772152 has 8 divisors (see below), whose sum is σ = 236562697800. Its totient is φ = 63083386072.

The previous prime is 126166772143. The next prime is 126166772197. The reversal of 126166772152 is 251277661621.

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

It is a super-2 number, since 2×126166772152² (a number of 23 digits) contains 22 as substring.

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, 7885423252 + ... + 7885423267.

It is an arithmetic number, because the mean of its divisors is an integer number (29570337225).

Almost surely, 2^126166772152 is an apocalyptic number.

It is an amenable number.

126166772152 is a deficient number, since it is larger than the sum of its proper divisors (110395925648).

126166772152 is a wasteful number, since it uses less digits than its factorization.

126166772152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15770846525 (or 15770846521 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The spelling of 126166772152 in words is "one hundred twenty-six billion, one hundred sixty-six million, seven hundred seventy-two thousand, one hundred fifty-two".