61345331600 has 120 divisors (see below), whose sum is σ = 172545289728. Its totient is φ = 20519654400.

The previous prime is 61345331549. The next prime is 61345331651. The reversal of 61345331600 is 613354316.

61345331600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61345331549) and next prime (61345331651).

It is a super-2 number, since 2×61345331600² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152384 + ... + 381983.

Almost surely, 2^61345331600 is an apocalyptic number.

It is an amenable number.

61345331600 is an abundant number, since it is smaller than the sum of its proper divisors (111199958128).

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

61345331600 is a wasteful number, since it uses less digits than its factorization.

61345331600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534433 (or 534422 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 61345331600 its reverse (613354316), we get a palindrome (61958685916).

The spelling of 61345331600 in words is "sixty-one billion, three hundred forty-five million, three hundred thirty-one thousand, six hundred".