16610531140212 has 24 divisors (see below), whose sum is σ = 38758014343776. Its totient is φ = 5536828234848.

The previous prime is 16610531140211. The next prime is 16610531140279. The reversal of 16610531140212 is 21204113501661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16610531140211) 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, 3050343 + ... + 6521169.

It is an arithmetic number, because the mean of its divisors is an integer number (1614917264324).

Almost surely, 2^{16610531140212} is an apocalyptic number.

16610531140212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16610531140212 is an abundant number, since it is smaller than the sum of its proper divisors (22147483203564).

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

16610531140212 is a wasteful number, since it uses less digits than its factorization.

16610531140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869647 (or 3869645 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 16610531140212 its reverse (21204113501661), we get a palindrome (37814644641873).

The spelling of 16610531140212 in words is "sixteen trillion, six hundred ten billion, five hundred thirty-one million, one hundred forty thousand, two hundred twelve".