16642256322002 has 8 divisors (see below), whose sum is σ = 24975760981116. Its totient is φ = 8317002661632.

The previous prime is 16642256321993. The next prime is 16642256322011. The reversal of 16642256322002 is 20022365224661.

It is an interprime number because it is at equal distance from previous prime (16642256321993) and next prime (16642256322011).

It can be written as a sum of positive squares in 2 ways, for example, as 16288884330601 + 353371991401 = 4035949^2 + 594451^2 .

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

It is a super-3 number, since 3×16642256322002³ (a number of 41 digits) contains 333 as substring.

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, 2062744643 + ... + 2062752710.

Almost surely, 2^{16642256322002} is an apocalyptic number.

16642256322002 is a deficient number, since it is larger than the sum of its proper divisors (8333504659114).

16642256322002 is a wasteful number, since it uses less digits than its factorization.

16642256322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125499372.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 16642256322002 in words is "sixteen trillion, six hundred forty-two billion, two hundred fifty-six million, three hundred twenty-two thousand, two".