126166680 has 128 divisors (see below), whose sum is σ = 423403200. Its totient is φ = 33417216.

The previous prime is 126166643. The next prime is 126166699. The reversal of 126166680 is 86661621.

It is a super-2 number, since 2×126166680² = 31836062284444800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212464 + ... + 213056.

Almost surely, 2^126166680 is an apocalyptic number.

126166680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126166680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211701600).

126166680 is an abundant number, since it is smaller than the sum of its proper divisors (297236520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126166680 is a wasteful number, since it uses less digits than its factorization.

126166680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 126166680 is about 11232.3942238509. The cubic root of 126166680 is about 501.5507586561.

The spelling of 126166680 in words is "one hundred twenty-six million, one hundred sixty-six thousand, six hundred eighty".