1618045416 has 64 divisors (see below), whose sum is σ = 4840315200. Its totient is φ = 497859264.

The previous prime is 1618045379. The next prime is 1618045439. The reversal of 1618045416 is 6145408161.

1618045416 is a `hidden beast` number, since 16 + 180 + 454 + 16 = 666.

It is a super-2 number, since 2×1618045416² = 5236141936477226112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285306 + ... + 290921.

It is an arithmetic number, because the mean of its divisors is an integer number (75629925).

Almost surely, 2^1618045416 is an apocalyptic number.

It is an amenable number.

1618045416 is an abundant number, since it is smaller than the sum of its proper divisors (3222269784).

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

1618045416 is a wasteful number, since it uses less digits than its factorization.

1618045416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576255 (or 576245 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1618045416 is about 40224.9352516570. The cubic root of 1618045416 is about 1173.9877604274.

The spelling of 1618045416 in words is "one billion, six hundred eighteen million, forty-five thousand, four hundred sixteen".