1051660211 has 8 divisors (see below), whose sum is σ = 1254153984. Its totient is φ = 862230600.

The previous prime is 1051660201. The next prime is 1051660217. The reversal of 1051660211 is 1120661501.

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

It is a de Polignac number, because none of the positive numbers 2^k-1051660211 is a prime.

It is a super-2 number, since 2×1051660211² = 2211978398801129042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051660217) 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, 3265865 + ... + 3266186.

It is an arithmetic number, because the mean of its divisors is an integer number (156769248).

Almost surely, 2^1051660211 is an apocalyptic number.

1051660211 is a deficient number, since it is larger than the sum of its proper divisors (202493773).

1051660211 is an equidigital number, since it uses as much as digits as its factorization.

1051660211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532081.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1051660211 is about 32429.3109855883. The cubic root of 1051660211 is about 1016.9317675543.

The spelling of 1051660211 in words is "one billion, fifty-one million, six hundred sixty thousand, two hundred eleven".