61372147326810 has 128 divisors (see below), whose sum is σ = 149384376852480. Its totient is φ = 16134197953536.

The previous prime is 61372147326799. The next prime is 61372147326811. The reversal of 61372147326810 is 1862374127316.

It is a super-2 number, since 2×61372147326810² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61372147326811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4558572139 + ... + 4558585601.

It is an arithmetic number, because the mean of its divisors is an integer number (1167065444160).

Almost surely, 2^{61372147326810} is an apocalyptic number.

61372147326810 is an abundant number, since it is smaller than the sum of its proper divisors (88012229525670).

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

61372147326810 is a wasteful number, since it uses less digits than its factorization.

61372147326810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16332.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 61372147326810 in words is "sixty-one trillion, three hundred seventy-two billion, one hundred forty-seven million, three hundred twenty-six thousand, eight hundred ten".