61370204364 has 480 divisors, whose sum is σ = 201788195840. Its totient is φ = 15872371200.

The previous prime is 61370204359. The next prime is 61370204369. The reversal of 61370204364 is 46340207316.

It is a happy number.

61370204364 is a `hidden beast` number, since 61 + 37 + 0 + 204 + 364 = 666.

It is an interprime number because it is at equal distance from previous prime (61370204359) and next prime (61370204369).

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

It is not an unprimeable number, because it can be changed into a prime (61370204369) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 97258329 + ... + 97258959.

Almost surely, 2^61370204364 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 61370204364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100894097920).

61370204364 is an abundant number, since it is smaller than the sum of its proper divisors (140417991476).

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

61370204364 is a wasteful number, since it uses less digits than its factorization.

61370204364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 61370204364 in words is "sixty-one billion, three hundred seventy million, two hundred four thousand, three hundred sixty-four".