60409933818 has 64 divisors (see below), whose sum is σ = 133781571840. Its totient is φ = 18064829952.

The previous prime is 60409933817. The next prime is 60409933867. The reversal of 60409933818 is 81833990406.

It is not an unprimeable number, because it can be changed into a prime (60409933813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2640846 + ... + 2663622.

It is an arithmetic number, because the mean of its divisors is an integer number (2090337060).

Almost surely, 2^60409933818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60409933818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66890785920).

60409933818 is an abundant number, since it is smaller than the sum of its proper divisors (73371638022).

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

60409933818 is a wasteful number, since it uses less digits than its factorization.

60409933818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23751.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 60409933818 in words is "sixty billion, four hundred nine million, nine hundred thirty-three thousand, eight hundred eighteen".