618311046 has 32 divisors (see below), whose sum is σ = 1314849888. Its totient is φ = 193167360.

The previous prime is 618311011. The next prime is 618311081. The reversal of 618311046 is 640113816.

618311046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (618311011) and next prime (618311081).

It is a super-2 number, since 2×618311046² = 764617099211228232, which contains 22 as substring.

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, 12006 + ... + 37158.

It is an arithmetic number, because the mean of its divisors is an integer number (41089059).

Almost surely, 2^618311046 is an apocalyptic number.

618311046 is an abundant number, since it is smaller than the sum of its proper divisors (696538842).

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

618311046 is a wasteful number, since it uses less digits than its factorization.

618311046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25416.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 618311046 is about 24865.8610548680. The cubic root of 618311046 is about 851.9269069302.

The spelling of 618311046 in words is "six hundred eighteen million, three hundred eleven thousand, forty-six".