665150460 has 48 divisors (see below), whose sum is σ = 2005686816. Its totient is φ = 163729152.

The previous prime is 665150429. The next prime is 665150471. The reversal of 665150460 is 64051566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425599 + ... + 427158.

It is an arithmetic number, because the mean of its divisors is an integer number (41785142).

Almost surely, 2^665150460 is an apocalyptic number.

665150460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

665150460 is an abundant number, since it is smaller than the sum of its proper divisors (1340536356).

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

665150460 is a wasteful number, since it uses less digits than its factorization.

665150460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852782 (or 852780 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 665150460 is about 25790.5110457315. The cubic root of 665150460 is about 872.9176977740.

The spelling of 665150460 in words is "six hundred sixty-five million, one hundred fifty thousand, four hundred sixty".