16012695280 has 20 divisors (see below), whose sum is σ = 37229516712. Its totient is φ = 6405078080.

The previous prime is 16012695271. The next prime is 16012695287. The reversal of 16012695280 is 8259621061.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16012695287) 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, 100079266 + ... + 100079425.

Almost surely, 2^16012695280 is an apocalyptic number.

16012695280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16012695280 is an abundant number, since it is smaller than the sum of its proper divisors (21216821432).

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

16012695280 is a wasteful number, since it uses less digits than its factorization.

16012695280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200158704 (or 200158698 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 16012695280 in words is "sixteen billion, twelve million, six hundred ninety-five thousand, two hundred eighty".