216109245702 has 32 divisors (see below), whose sum is σ = 498854732544. Its totient is φ = 61134156000.

The previous prime is 216109245701. The next prime is 216109245731. The reversal of 216109245702 is 207542901612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216109245701) 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, 25468324 + ... + 25476807.

It is an arithmetic number, because the mean of its divisors is an integer number (15589210392).

Almost surely, 2^216109245702 is an apocalyptic number.

216109245702 is an abundant number, since it is smaller than the sum of its proper divisors (282745486842).

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

216109245702 is a wasteful number, since it uses less digits than its factorization.

216109245702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50945244.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 216109245702 in words is "two hundred sixteen billion, one hundred nine million, two hundred forty-five thousand, seven hundred two".