64242087416 has 32 divisors (see below), whose sum is σ = 130741040640. Its totient is φ = 29416722048.

The previous prime is 64242087409. The next prime is 64242087439. The reversal of 64242087416 is 61478024246.

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, 2418731 + ... + 2445146.

It is an arithmetic number, because the mean of its divisors is an integer number (4085657520).

Almost surely, 2^64242087416 is an apocalyptic number.

It is an amenable number.

64242087416 is an abundant number, since it is smaller than the sum of its proper divisors (66498953224).

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

64242087416 is a wasteful number, since it uses less digits than its factorization.

64242087416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864023 (or 4864019 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 64242087416 in words is "sixty-four billion, two hundred forty-two million, eighty-seven thousand, four hundred sixteen".