223001661620057 has 4 divisors (see below), whose sum is σ = 223148084249040. Its totient is φ = 222855238991076.

The previous prime is 223001661619981. The next prime is 223001661620159. The reversal of 223001661620057 is 750026166100322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223001661620057 - 2²² = 223001657425753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223001661619996 and 223001661620023.

It is not an unprimeable number, because it can be changed into a prime (223001661620557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73211312207 + ... + 73211315252.

It is an arithmetic number, because the mean of its divisors is an integer number (55787021062260).

Almost surely, 2^{223001661620057} is an apocalyptic number.

It is an amenable number.

223001661620057 is a deficient number, since it is larger than the sum of its proper divisors (146422628983).

223001661620057 is a wasteful number, since it uses less digits than its factorization.

223001661620057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146422628982.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 223001661620057 in words is "two hundred twenty-three trillion, one billion, six hundred sixty-one million, six hundred twenty thousand, fifty-seven".