64814198352 has 80 divisors (see below), whose sum is σ = 180352647168. Its totient is φ = 19998760320.

The previous prime is 64814198333. The next prime is 64814198399. The reversal of 64814198352 is 25389141846.

64814198352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64814198295 and 64814198304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912688 + ... + 981135.

Almost surely, 2^64814198352 is an apocalyptic number.

64814198352 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

64814198352 is an abundant number, since it is smaller than the sum of its proper divisors (115538448816).

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

64814198352 is a wasteful number, since it uses less digits than its factorization.

64814198352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893888 (or 1893882 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 64814198352 in words is "sixty-four billion, eight hundred fourteen million, one hundred ninety-eight thousand, three hundred fifty-two".