1618746028746 has 32 divisors (see below), whose sum is σ = 4036353735168. Its totient is φ = 420453513840.

The previous prime is 1618746028721. The next prime is 1618746028747. The reversal of 1618746028746 is 6478206478161.

It is a self number, because there is not a number n which added to its sum of digits gives 1618746028746.

It is not an unprimeable number, because it can be changed into a prime (1618746028747) by changing a digit.

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, 1751889180 + ... + 1751890103.

It is an arithmetic number, because the mean of its divisors is an integer number (126136054224).

Almost surely, 2^{1618746028746} is an apocalyptic number.

1618746028746 is an abundant number, since it is smaller than the sum of its proper divisors (2417607706422).

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

1618746028746 is a wasteful number, since it uses less digits than its factorization.

1618746028746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503779306.

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 1618746028746 in words is "one trillion, six hundred eighteen billion, seven hundred forty-six million, twenty-eight thousand, seven hundred forty-six".