361251330660 has 144 divisors (see below), whose sum is σ = 1197871339392. Its totient is φ = 87396019200.

The previous prime is 361251330647. The next prime is 361251330677. The reversal of 361251330660 is 66033152163.

361251330660 is a `hidden beast` number, since 3 + 612 + 5 + 1 + 3 + 30 + 6 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 776940 + ... + 1151580.

It is an arithmetic number, because the mean of its divisors is an integer number (8318550968).

Almost surely, 2^361251330660 is an apocalyptic number.

361251330660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361251330660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598935669696).

361251330660 is an abundant number, since it is smaller than the sum of its proper divisors (836620008732).

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

361251330660 is a wasteful number, since it uses less digits than its factorization.

361251330660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375154 (or 375149 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 361251330660 in words is "three hundred sixty-one billion, two hundred fifty-one million, three hundred thirty thousand, six hundred sixty".