601155660 has 48 divisors (see below), whose sum is σ = 1923699456. Its totient is φ = 137406912.

The previous prime is 601155647. The next prime is 601155673. The reversal of 601155660 is 66551106.

It is an interprime number because it is at equal distance from previous prime (601155647) and next prime (601155673).

It is a super-2 number, since 2×601155660² = 722776255100071200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 715242 + ... + 716081.

It is an arithmetic number, because the mean of its divisors is an integer number (40077072).

Almost surely, 2^601155660 is an apocalyptic number.

601155660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

601155660 is an abundant number, since it is smaller than the sum of its proper divisors (1322543796).

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

601155660 is a wasteful number, since it uses less digits than its factorization.

601155660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431342 (or 1431340 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 601155660 is about 24518.4758906421. The cubic root of 601155660 is about 843.9738298902.

The spelling of 601155660 in words is "six hundred one million, one hundred fifty-five thousand, six hundred sixty".