1618225080 has 64 divisors (see below), whose sum is σ = 4934282400. Its totient is φ = 424450560.

The previous prime is 1618225051. The next prime is 1618225109. The reversal of 1618225080 is 805228161.

It is an interprime number because it is at equal distance from previous prime (1618225051) and next prime (1618225109).

It is a congruent number.

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, 103215 + ... + 117854.

Almost surely, 2^1618225080 is an apocalyptic number.

1618225080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1618225080 is an abundant number, since it is smaller than the sum of its proper divisors (3316057320).

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

1618225080 is a wasteful number, since it uses less digits than its factorization.

1618225080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221144 (or 221140 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1618225080 is about 40227.1684312978. The cubic root of 1618225080 is about 1174.0312111094.

The spelling of 1618225080 in words is "one billion, six hundred eighteen million, two hundred twenty-five thousand, eighty".