216148008740 has 24 divisors (see below), whose sum is σ = 453936534912. Its totient is φ = 86454305120.

The previous prime is 216148008731. The next prime is 216148008743. The reversal of 216148008740 is 47800841612.

It is not an unprimeable number, because it can be changed into a prime (216148008743) 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, 66767 + ... + 660873.

It is an arithmetic number, because the mean of its divisors is an integer number (18914022288).

Almost surely, 2^216148008740 is an apocalyptic number.

216148008740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216148008740 is an abundant number, since it is smaller than the sum of its proper divisors (237788526172).

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

216148008740 is a wasteful number, since it uses less digits than its factorization.

216148008740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612307 (or 612305 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 216148008740 in words is "two hundred sixteen billion, one hundred forty-eight million, eight thousand, seven hundred forty".