38220645662 has 4 divisors (see below), whose sum is σ = 57330968496. Its totient is φ = 19110322830.

The previous prime is 38220645649. The next prime is 38220645719. The reversal of 38220645662 is 26654602283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26654602283 = 1381 ⋅19300943.

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, 9555161414 + ... + 9555161417.

It is an arithmetic number, because the mean of its divisors is an integer number (14332742124).

Almost surely, 2^38220645662 is an apocalyptic number.

38220645662 is a deficient number, since it is larger than the sum of its proper divisors (19110322834).

38220645662 is a wasteful number, since it uses less digits than its factorization.

38220645662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19110322833.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 38220645662 in words is "thirty-eight billion, two hundred twenty million, six hundred forty-five thousand, six hundred sixty-two".