16667020022 has 4 divisors (see below), whose sum is σ = 25000530036. Its totient is φ = 8333510010.

The previous prime is 16667019973. The next prime is 16667020171. The reversal of 16667020022 is 22002076661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22002076661 = 35543 ⋅619027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4166755004 + ... + 4166755007.

It is an arithmetic number, because the mean of its divisors is an integer number (6250132509).

Almost surely, 2^16667020022 is an apocalyptic number.

16667020022 is a deficient number, since it is larger than the sum of its proper divisors (8333510014).

16667020022 is an equidigital number, since it uses as much as digits as its factorization.

16667020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333510013.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 16667020022 its reverse (22002076661), we get a palindrome (38669096683).

The spelling of 16667020022 in words is "sixteen billion, six hundred sixty-seven million, twenty thousand, twenty-two".