1005664151 has 4 divisors (see below), whose sum is σ = 1005855552. Its totient is φ = 1005472752.

The previous prime is 1005664139. The next prime is 1005664157. The reversal of 1005664151 is 1514665001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1514665001 = 19603 ⋅77267.

It is a cyclic number.

It is not a de Polignac number, because 1005664151 - 2¹⁸ = 1005402007 is a prime.

It is a super-2 number, since 2×1005664151² = 2022720769213101602, 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 (1005664157) 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, 87590 + ... + 98403.

It is an arithmetic number, because the mean of its divisors is an integer number (251463888).

Almost surely, 2^1005664151 is an apocalyptic number.

1005664151 is a deficient number, since it is larger than the sum of its proper divisors (191401).

1005664151 is an equidigital number, since it uses as much as digits as its factorization.

1005664151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191400.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1005664151 is about 31712.2082327926. The cubic root of 1005664151 is about 1001.8844967744.

The spelling of 1005664151 in words is "one billion, five million, six hundred sixty-four thousand, one hundred fifty-one".