365868227851 has 16 divisors (see below), whose sum is σ = 422593486848. Its totient is φ = 310263314400.

The previous prime is 365868227849. The next prime is 365868227941. The reversal of 365868227851 is 158722868563.

It is a cyclic number.

It is not a de Polignac number, because 365868227851 - 2¹ = 365868227849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 365868227851.

It is not an unprimeable number, because it can be changed into a prime (365868224851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525846 + ... + 1004116.

It is an arithmetic number, because the mean of its divisors is an integer number (26412092928).

Almost surely, 2^365868227851 is an apocalyptic number.

365868227851 is a deficient number, since it is larger than the sum of its proper divisors (56725258997).

365868227851 is a wasteful number, since it uses less digits than its factorization.

365868227851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479442.

The product of its digits is 38707200, while the sum is 61.

The spelling of 365868227851 in words is "three hundred sixty-five billion, eight hundred sixty-eight million, two hundred twenty-seven thousand, eight hundred fifty-one".