1051073665 has 8 divisors (see below), whose sum is σ = 1316127168. Its totient is φ = 804299760.

The previous prime is 1051073629. The next prime is 1051073669. The reversal of 1051073665 is 5663701501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1051073665 - 2²³ = 1042685057 is a prime.

It is a super-2 number, since 2×1051073665² = 2209511698513064450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051073665.

It is not an unprimeable number, because it can be changed into a prime (1051073669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4569771 + ... + 4570000.

It is an arithmetic number, because the mean of its divisors is an integer number (164515896).

Almost surely, 2^1051073665 is an apocalyptic number.

It is an amenable number.

1051073665 is a deficient number, since it is larger than the sum of its proper divisors (265053503).

1051073665 is an equidigital number, since it uses as much as digits as its factorization.

1051073665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139799.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 1051073665 is about 32420.2662697270. The cubic root of 1051073665 is about 1016.7426734659.

The spelling of 1051073665 in words is "one billion, fifty-one million, seventy-three thousand, six hundred sixty-five".