60891987416 has 32 divisors (see below), whose sum is σ = 127194807600. Its totient is φ = 27134889600.

The previous prime is 60891987407. The next prime is 60891987427. The reversal of 60891987416 is 61478919806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10091810 + ... + 10097841.

Almost surely, 2^60891987416 is an apocalyptic number.

It is an amenable number.

60891987416 is an abundant number, since it is smaller than the sum of its proper divisors (66302820184).

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

60891987416 is a wasteful number, since it uses less digits than its factorization.

60891987416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20189699 (or 20189695 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 60891987416 in words is "sixty billion, eight hundred ninety-one million, nine hundred eighty-seven thousand, four hundred sixteen".