1618305959490 has 64 divisors (see below), whose sum is σ = 4245865205760. Its totient is φ = 391497525440.

The previous prime is 1618305959467. The next prime is 1618305959503. The reversal of 1618305959490 is 949595038161.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4960884 + ... + 5277023.

It is an arithmetic number, because the mean of its divisors is an integer number (66341643840).

Almost surely, 2^{1618305959490} is an apocalyptic number.

1618305959490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1618305959490 is an abundant number, since it is smaller than the sum of its proper divisors (2627559246270).

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

1618305959490 is a wasteful number, since it uses less digits than its factorization.

1618305959490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10238407.

The product of its (nonzero) digits is 10497600, while the sum is 60.

The spelling of 1618305959490 in words is "one trillion, six hundred eighteen billion, three hundred five million, nine hundred fifty-nine thousand, four hundred ninety".