17980061034 has 64 divisors (see below), whose sum is σ = 39877746048. Its totient is φ = 5369241600.

The previous prime is 17980061027. The next prime is 17980061051. The reversal of 17980061034 is 43016008971.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 17980060983 and 17980061001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602649 + ... + 631779.

It is an arithmetic number, because the mean of its divisors is an integer number (623089782).

Almost surely, 2^17980061034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17980061034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19938873024).

17980061034 is an abundant number, since it is smaller than the sum of its proper divisors (21897685014).

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

17980061034 is a wasteful number, since it uses less digits than its factorization.

17980061034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29383.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 17980061034 in words is "seventeen billion, nine hundred eighty million, sixty-one thousand, thirty-four".