1246643116 has 18 divisors (see below), whose sum is σ = 2317507388. Its totient is φ = 586655040.

The previous prime is 1246643107. The next prime is 1246643131. The reversal of 1246643116 is 6113466421.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538050 + ... + 540361.

Almost surely, 2^1246643116 is an apocalyptic number.

It is an amenable number.

1246643116 is a deficient number, since it is larger than the sum of its proper divisors (1070864272).

1246643116 is a wasteful number, since it uses less digits than its factorization.

1246643116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078449 (or 1078430 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 1246643116 is about 35307.8336350448. The cubic root of 1246643116 is about 1076.2521888764.

The spelling of 1246643116 in words is "one billion, two hundred forty-six million, six hundred forty-three thousand, one hundred sixteen".