380161640815 has 16 divisors (see below), whose sum is σ = 500719326336. Its totient is φ = 274784983200.

The previous prime is 380161640801. The next prime is 380161640821. The reversal of 380161640815 is 518046161083.

It is not a de Polignac number, because 380161640815 - 2¹³ = 380161632623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21193581 + ... + 21211510.

It is an arithmetic number, because the mean of its divisors is an integer number (31294957896).

Almost surely, 2^380161640815 is an apocalyptic number.

380161640815 is a deficient number, since it is larger than the sum of its proper divisors (120557685521).

380161640815 is a wasteful number, since it uses less digits than its factorization.

380161640815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42405270.

The product of its (nonzero) digits is 138240, while the sum is 43.

It can be divided in two parts, 3801 and 61640815, that added together give a palindrome (61644616).

The spelling of 380161640815 in words is "three hundred eighty billion, one hundred sixty-one million, six hundred forty thousand, eight hundred fifteen".