618167616 has 56 divisors (see below), whose sum is σ = 1784262624. Its totient is φ = 187322880.

The previous prime is 618167597. The next prime is 618167623. The reversal of 618167616 is 616761816.

It is a super-2 number, since 2×618167616² = 764262402942246912, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144235 + ... + 148458.

Almost surely, 2^618167616 is an apocalyptic number.

618167616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

618167616 is an abundant number, since it is smaller than the sum of its proper divisors (1166095008).

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

618167616 is a wasteful number, since it uses less digits than its factorization.

618167616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292719 (or 292709 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 618167616 is about 24862.9768129241. The cubic root of 618167616 is about 851.8610278301.

The spelling of 618167616 in words is "six hundred eighteen million, one hundred sixty-seven thousand, six hundred sixteen".