4397511660 has 24 divisors (see below), whose sum is σ = 12313032816. Its totient is φ = 1172669760.

The previous prime is 4397511623. The next prime is 4397511661. The reversal of 4397511660 is 661157934.

It is not an unprimeable number, because it can be changed into a prime (4397511661) 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, 36645871 + ... + 36645990.

It is an arithmetic number, because the mean of its divisors is an integer number (513043034).

Almost surely, 2^4397511660 is an apocalyptic number.

It is an amenable number.

4397511660 is an abundant number, since it is smaller than the sum of its proper divisors (7915521156).

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

4397511660 is a wasteful number, since it uses less digits than its factorization.

4397511660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73291873 (or 73291871 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 4397511660 is about 66313.7365860196. The cubic root of 4397511660 is about 1638.3335814532. Note that the first 3 decimals are identical.

The spelling of 4397511660 in words is "four billion, three hundred ninety-seven million, five hundred eleven thousand, six hundred sixty".