610998144 has 32 divisors (see below), whose sum is σ = 1622964840. Its totient is φ = 203665920.

The previous prime is 610998121. The next prime is 610998161. The reversal of 610998144 is 441899016.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 610998096 and 610998105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795187 + ... + 795954.

Almost surely, 2^610998144 is an apocalyptic number.

610998144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

610998144 is an abundant number, since it is smaller than the sum of its proper divisors (1011966696).

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

610998144 is a wasteful number, since it uses less digits than its factorization.

610998144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591158 (or 1591146 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 610998144 is about 24718.3766457266. The cubic root of 610998144 is about 848.5549352140.

The spelling of 610998144 in words is "six hundred ten million, nine hundred ninety-eight thousand, one hundred forty-four".