1011660151 has 4 divisors (see below), whose sum is σ = 1011726072. Its totient is φ = 1011594232.

The previous prime is 1011660127. The next prime is 1011660203. The reversal of 1011660151 is 1510661101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1011660151 - 2⁵ = 1011660119 is a prime.

It is a super-2 number, since 2×1011660151² = 2046912522242685602, 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 (1011660121) 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, 3516 + ... + 45118.

It is an arithmetic number, because the mean of its divisors is an integer number (252931518).

Almost surely, 2^1011660151 is an apocalyptic number.

1011660151 is a deficient number, since it is larger than the sum of its proper divisors (65921).

1011660151 is an equidigital number, since it uses as much as digits as its factorization.

1011660151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65920.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1011660151 is about 31806.6054617590. The cubic root of 1011660151 is about 1003.8717075350.

The spelling of 1011660151 in words is "one billion, eleven million, six hundred sixty thousand, one hundred fifty-one".