1051610663 has 4 divisors (see below), whose sum is σ = 1051876728. Its totient is φ = 1051344600.

The previous prime is 1051610653. The next prime is 1051610699. The reversal of 1051610663 is 3660161501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1051610663 - 2⁴ = 1051610647 is a prime.

It is a super-2 number, since 2×1051610663² = 2211769973070599138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051610603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127013 + ... + 135038.

It is an arithmetic number, because the mean of its divisors is an integer number (262969182).

Almost surely, 2^1051610663 is an apocalyptic number.

1051610663 is a deficient number, since it is larger than the sum of its proper divisors (266065).

1051610663 is an equidigital number, since it uses as much as digits as its factorization.

1051610663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266064.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1051610663 is about 32428.5470380651. The cubic root of 1051610663 is about 1016.9157967030.

The spelling of 1051610663 in words is "one billion, fifty-one million, six hundred ten thousand, six hundred sixty-three".