216148364256 has 48 divisors (see below), whose sum is σ = 618970318848. Its totient is φ = 65499504000.

The previous prime is 216148364251. The next prime is 216148364261. The reversal of 216148364256 is 652463841612.

It is an interprime number because it is at equal distance from previous prime (216148364251) and next prime (216148364261).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216148364251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102341920 + ... + 102344031.

It is an arithmetic number, because the mean of its divisors is an integer number (12895214976).

Almost surely, 2^216148364256 is an apocalyptic number.

It is an amenable number.

216148364256 is an abundant number, since it is smaller than the sum of its proper divisors (402821954592).

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

216148364256 is a wasteful number, since it uses less digits than its factorization.

216148364256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204685975 (or 204685967 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The spelling of 216148364256 in words is "two hundred sixteen billion, one hundred forty-eight million, three hundred sixty-four thousand, two hundred fifty-six".