61634108320488 has 96 divisors (see below), whose sum is σ = 182106361944000. Its totient is φ = 18676429459200.

The previous prime is 61634108320457. The next prime is 61634108320489. The reversal of 61634108320488 is 88402380143616.

It is a happy number.

61634108320488 is a `hidden beast` number, since 6 + 1 + 6 + 34 + 108 + 3 + 20 + 488 = 666.

It is a super-2 number, since 2×61634108320488² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61634108320489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24997453 + ... + 27352163.

It is an arithmetic number, because the mean of its divisors is an integer number (1896941270250).

Almost surely, 2^{61634108320488} is an apocalyptic number.

It is an amenable number.

61634108320488 is an abundant number, since it is smaller than the sum of its proper divisors (120472253623512).

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

61634108320488 is a wasteful number, since it uses less digits than its factorization.

61634108320488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387783 (or 2387776 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 61634108320488 in words is "sixty-one trillion, six hundred thirty-four billion, one hundred eight million, three hundred twenty thousand, four hundred eighty-eight".