1618154496 has 264 divisors, whose sum is σ = 5543603520. Its totient is φ = 461832192.

The previous prime is 1618154449. The next prime is 1618154509. The reversal of 1618154496 is 6944518161.

1618154496 is a `hidden beast` number, since 1 + 6 + 1 + 8 + 154 + 496 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1741360 + ... + 1742288.

Almost surely, 2^1618154496 is an apocalyptic number.

1618154496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1618154496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2771801760).

1618154496 is an abundant number, since it is smaller than the sum of its proper divisors (3925449024).

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

1618154496 is an frugal number, since it uses more digits than its factorization.

1618154496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 941 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1618154496 is about 40226.2911042020. The cubic root of 1618154496 is about 1174.0141411676.

The spelling of 1618154496 in words is "one billion, six hundred eighteen million, one hundred fifty-four thousand, four hundred ninety-six".