126653660 has 48 divisors (see below), whose sum is σ = 304819200. Its totient is φ = 43302720.

The previous prime is 126653647. The next prime is 126653687. The reversal of 126653660 is 66356621.

It is a super-2 number, since 2×126653660² = 32082299182791200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 126653660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59291 + ... + 61389.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^126653660 is an apocalyptic number.

126653660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126653660 is an abundant number, since it is smaller than the sum of its proper divisors (178165540).

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

126653660 is a wasteful number, since it uses less digits than its factorization.

126653660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 126653660 is about 11254.0508262581. The cubic root of 126653660 is about 502.1952278443.

The spelling of 126653660 in words is "one hundred twenty-six million, six hundred fifty-three thousand, six hundred sixty".