1618048802 has 4 divisors (see below), whose sum is σ = 2427073206. Its totient is φ = 809024400.

The previous prime is 1618048793. The next prime is 1618048811. The reversal of 1618048802 is 2088408161.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1618048793) and next prime (1618048811).

It can be written as a sum of positive squares in only one way, i.e., 1248986281 + 369062521 = 35341^2 + 19211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404512199 + ... + 404512202.

Almost surely, 2^1618048802 is an apocalyptic number.

1618048802 is a deficient number, since it is larger than the sum of its proper divisors (809024404).

1618048802 is an equidigital number, since it uses as much as digits as its factorization.

1618048802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809024403.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 1618048802 is about 40224.9773399563. The cubic root of 1618048802 is about 1173.9885793413.

The spelling of 1618048802 in words is "one billion, six hundred eighteen million, forty-eight thousand, eight hundred two".