126613816 has 16 divisors (see below), whose sum is σ = 271315440. Its totient is φ = 54263040.

The previous prime is 126613787. The next prime is 126613843. The reversal of 126613816 is 618316621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130425 + ... + 1130536.

It is an arithmetic number, because the mean of its divisors is an integer number (16957215).

Almost surely, 2^126613816 is an apocalyptic number.

It is an amenable number.

126613816 is an abundant number, since it is smaller than the sum of its proper divisors (144701624).

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

126613816 is a wasteful number, since it uses less digits than its factorization.

126613816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260974 (or 2260970 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 126613816 is about 11252.2804799738. The cubic root of 126613816 is about 502.1425604223.

The spelling of 126613816 in words is "one hundred twenty-six million, six hundred thirteen thousand, eight hundred sixteen".