216274603560 has 64 divisors (see below), whose sum is σ = 648963463680. Its totient is φ = 57660814080.

The previous prime is 216274603537. The next prime is 216274603561. The reversal of 216274603560 is 65306472612.

It is not an unprimeable number, because it can be changed into a prime (216274603561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372750 + ... + 755970.

It is an arithmetic number, because the mean of its divisors is an integer number (10140054120).

Almost surely, 2^216274603560 is an apocalyptic number.

216274603560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216274603560 is an abundant number, since it is smaller than the sum of its proper divisors (432688860120).

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

216274603560 is a wasteful number, since it uses less digits than its factorization.

216274603560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387938 (or 387934 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 216274603560 in words is "two hundred sixteen billion, two hundred seventy-four million, six hundred three thousand, five hundred sixty".