665354130 has 32 divisors (see below), whose sum is σ = 1824971904. Its totient is φ = 152080896.

The previous prime is 665354117. The next prime is 665354149. The reversal of 665354130 is 31453566.

It is a super-2 number, since 2×665354130² = 885392236616113800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 665354091 and 665354100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583967 + ... + 1584386.

It is an arithmetic number, because the mean of its divisors is an integer number (57030372).

Almost surely, 2^665354130 is an apocalyptic number.

665354130 is an abundant number, since it is smaller than the sum of its proper divisors (1159617774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665354130 is a wasteful number, since it uses less digits than its factorization.

665354130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168370.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 665354130 is about 25794.4592887697. The cubic root of 665354130 is about 873.0067848879.

The spelling of 665354130 in words is "six hundred sixty-five million, three hundred fifty-four thousand, one hundred thirty".