126671664 has 60 divisors (see below), whose sum is σ = 380668344. Its totient is φ = 36191232.

The previous prime is 126671639. The next prime is 126671693. The reversal of 126671664 is 466176621.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24577 + ... + 29280.

Almost surely, 2^126671664 is an apocalyptic number.

126671664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126671664 is an abundant number, since it is smaller than the sum of its proper divisors (253996680).

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

126671664 is a wasteful number, since it uses less digits than its factorization.

126671664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53882 (or 53869 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 126671664 is about 11254.8506875924. The cubic root of 126671664 is about 502.2190226416.

The spelling of 126671664 in words is "one hundred twenty-six million, six hundred seventy-one thousand, six hundred sixty-four".