16029421656 has 32 divisors (see below), whose sum is σ = 40083595200. Its totient is φ = 5341801760.

The previous prime is 16029421651. The next prime is 16029421663. The reversal of 16029421656 is 65612492061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16029421651) 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, 16555 + ... + 179813.

It is an arithmetic number, because the mean of its divisors is an integer number (1252612350).

Almost surely, 2^16029421656 is an apocalyptic number.

It is an amenable number.

16029421656 is an abundant number, since it is smaller than the sum of its proper divisors (24054173544).

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

16029421656 is a wasteful number, since it uses less digits than its factorization.

16029421656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167359 (or 167355 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 16029421656 in words is "sixteen billion, twenty-nine million, four hundred twenty-one thousand, six hundred fifty-six".