16442615642620 has 48 divisors (see below), whose sum is σ = 36622923815520. Its totient is φ = 6179615688704.

The previous prime is 16442615642573. The next prime is 16442615642627. The reversal of 16442615642620 is 2624651624461.

It is a super-3 number, since 3×16442615642620³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442615642627) 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, 40993465 + ... + 41392624.

It is an arithmetic number, because the mean of its divisors is an integer number (762977579490).

Almost surely, 2^{16442615642620} is an apocalyptic number.

16442615642620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16442615642620 is an abundant number, since it is smaller than the sum of its proper divisors (20180308172900).

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

16442615642620 is a wasteful number, since it uses less digits than its factorization.

16442615642620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82386702 (or 82386700 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 16442615642620 in words is "sixteen trillion, four hundred forty-two billion, six hundred fifteen million, six hundred forty-two thousand, six hundred twenty".