361691574252 has 96 divisors (see below), whose sum is σ = 903225774528. Its totient is φ = 112249503744.

The previous prime is 361691574241. The next prime is 361691574259. The reversal of 361691574252 is 252475196163.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 361691574195 and 361691574204.

It is not an unprimeable number, because it can be changed into a prime (361691574259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82256518 + ... + 82260914.

It is an arithmetic number, because the mean of its divisors is an integer number (9408601818).

Almost surely, 2^361691574252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361691574252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451612887264).

361691574252 is an abundant number, since it is smaller than the sum of its proper divisors (541534200276).

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

361691574252 is a wasteful number, since it uses less digits than its factorization.

361691574252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675 (or 8673 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The spelling of 361691574252 in words is "three hundred sixty-one billion, six hundred ninety-one million, five hundred seventy-four thousand, two hundred fifty-two".