1180770516 has 18 divisors (see below), whose sum is σ = 2984725562. Its totient is φ = 393590160.

The previous prime is 1180770509. The next prime is 1180770571. The reversal of 1180770516 is 6150770811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1147176900 + 33593616 = 33870^2 + 5796^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1180770516² = 2788438022909812512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 32799181 = 1180770516 / (1 + 1 + 8 + 0 + 7 + 7 + 0 + 5 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16399555 + ... + 16399626.

Almost surely, 2^1180770516 is an apocalyptic number.

It is an amenable number.

1180770516 is an abundant number, since it is smaller than the sum of its proper divisors (1803955046).

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

1180770516 is a wasteful number, since it uses less digits than its factorization.

1180770516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32799191 (or 32799186 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 1180770516 is about 34362.3415383760. The cubic root of 1180770516 is about 1056.9517611625.

The spelling of 1180770516 in words is "one billion, one hundred eighty million, seven hundred seventy thousand, five hundred sixteen".