212260165616 has 20 divisors (see below), whose sum is σ = 432899022600. Its totient is φ = 100544288832.

The previous prime is 212260165613. The next prime is 212260165721. The reversal of 212260165616 is 616561062212.

It is a super-3 number, since 3×212260165616³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 212260165616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212260165613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349111811 + ... + 349112418.

It is an arithmetic number, because the mean of its divisors is an integer number (21644951130).

Almost surely, 2^212260165616 is an apocalyptic number.

It is an amenable number.

212260165616 is an abundant number, since it is smaller than the sum of its proper divisors (220638856984).

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

212260165616 is a wasteful number, since it uses less digits than its factorization.

212260165616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698224256 (or 698224250 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 212260165616 in words is "two hundred twelve billion, two hundred sixty million, one hundred sixty-five thousand, six hundred sixteen".