16022554642 has 8 divisors (see below), whose sum is σ = 24066622476. Its totient is φ = 8000347152.

The previous prime is 16022554633. The next prime is 16022554651. The reversal of 16022554642 is 24645522061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16022554633) and next prime (16022554651).

It can be written as a sum of positive squares in 2 ways, for example, as 15961542921 + 61011721 = 126339^2 + 7811^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5463253 + ... + 5466184.

Almost surely, 2^16022554642 is an apocalyptic number.

16022554642 is a deficient number, since it is larger than the sum of its proper divisors (8044067834).

16022554642 is a wasteful number, since it uses less digits than its factorization.

16022554642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930172.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 16022554642 in words is "sixteen billion, twenty-two million, five hundred fifty-four thousand, six hundred forty-two".