1865146744362 has 64 divisors (see below), whose sum is σ = 4215676233600. Its totient is φ = 544936385280.

The previous prime is 1865146744361. The next prime is 1865146744397. The reversal of 1865146744362 is 2634476415681.

It is not an unprimeable number, because it can be changed into a prime (1865146744361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669808 + ... + 2044244.

It is an arithmetic number, because the mean of its divisors is an integer number (65869941150).

Almost surely, 2^{1865146744362} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1865146744362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2107838116800).

1865146744362 is an abundant number, since it is smaller than the sum of its proper divisors (2350529489238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1865146744362 is a wasteful number, since it uses less digits than its factorization.

1865146744362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375191.

The product of its digits is 23224320, while the sum is 57.

The spelling of 1865146744362 in words is "one trillion, eight hundred sixty-five billion, one hundred forty-six million, seven hundred forty-four thousand, three hundred sixty-two".