16050621705621 has 8 divisors (see below), whose sum is σ = 21401049953664. Its totient is φ = 10700303964000.

The previous prime is 16050621705571. The next prime is 16050621705649. The reversal of 16050621705621 is 12650712605061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16050621705621 - 2¹¹ = 16050621703573 is a prime.

It is a super-3 number, since 3×16050621705621³ (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 (16050621705121) 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, 27287101 + ... + 27869106.

It is an arithmetic number, because the mean of its divisors is an integer number (2675131244208).

Almost surely, 2^{16050621705621} is an apocalyptic number.

It is an amenable number.

16050621705621 is a deficient number, since it is larger than the sum of its proper divisors (5350428248043).

16050621705621 is an equidigital number, since it uses as much as digits as its factorization.

16050621705621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55253211.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 16050621705621 in words is "sixteen trillion, fifty billion, six hundred twenty-one million, seven hundred five thousand, six hundred twenty-one".