1051661712 has 40 divisors (see below), whose sum is σ = 2737548000. Its totient is φ = 347875840.

The previous prime is 1051661657. The next prime is 1051661753. The reversal of 1051661712 is 2171661501.

It is a super-2 number, since 2×1051661712² = 2211984712973541888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051661712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77337 + ... + 89912.

It is an arithmetic number, because the mean of its divisors is an integer number (68438700).

Almost surely, 2^1051661712 is an apocalyptic number.

1051661712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1051661712 is an abundant number, since it is smaller than the sum of its proper divisors (1685886288).

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

1051661712 is a wasteful number, since it uses less digits than its factorization.

1051661712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167391 (or 167385 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1051661712 is about 32429.3341282241. The cubic root of 1051661712 is about 1016.9322513651.

The spelling of 1051661712 in words is "one billion, fifty-one million, six hundred sixty-one thousand, seven hundred twelve".