61233173634 has 16 divisors (see below), whose sum is σ = 126689325120. Its totient is φ = 19707228240.

The previous prime is 61233173633. The next prime is 61233173669. The reversal of 61233173634 is 43637133216.

It is a junction number, because it is equal to n+sod(n) for n = 61233173592 and 61233173601.

It is not an unprimeable number, because it can be changed into a prime (61233173633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175957222 + ... + 175957569.

It is an arithmetic number, because the mean of its divisors is an integer number (7918082820).

Almost surely, 2^61233173634 is an apocalyptic number.

61233173634 is an abundant number, since it is smaller than the sum of its proper divisors (65456151486).

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

61233173634 is a wasteful number, since it uses less digits than its factorization.

61233173634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351914825.

The product of its digits is 163296, while the sum is 39.

The spelling of 61233173634 in words is "sixty-one billion, two hundred thirty-three million, one hundred seventy-three thousand, six hundred thirty-four".