216490460160 has 264 divisors, whose sum is σ = 749801361600. Its totient is φ = 53289320448.

The previous prime is 216490460143. The next prime is 216490460177. The reversal of 216490460160 is 61064094612.

It is an interprime number because it is at equal distance from previous prime (216490460143) and next prime (216490460177).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2554141 + ... + 2637539.

Almost surely, 2^216490460160 is an apocalyptic number.

216490460160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216490460160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374900680800).

216490460160 is an abundant number, since it is smaller than the sum of its proper divisors (533310901440).

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

216490460160 is a wasteful number, since it uses less digits than its factorization.

216490460160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83453 (or 83422 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 216490460160 in words is "two hundred sixteen billion, four hundred ninety million, four hundred sixty thousand, one hundred sixty".