611049816 has 48 divisors (see below), whose sum is σ = 1782231360. Its totient is φ = 188015040.

The previous prime is 611049811. The next prime is 611049821. The reversal of 611049816 is 618940116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (611049811) and next prime (611049821).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611049811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325480 + ... + 327351.

It is an arithmetic number, because the mean of its divisors is an integer number (37129820).

Almost surely, 2^611049816 is an apocalyptic number.

It is an amenable number.

611049816 is an abundant number, since it is smaller than the sum of its proper divisors (1171181544).

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

611049816 is a wasteful number, since it uses less digits than its factorization.

611049816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652856 (or 652849 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 611049816 is about 24719.4218378990. The cubic root of 611049816 is about 848.5788552510.

The spelling of 611049816 in words is "six hundred eleven million, forty-nine thousand, eight hundred sixteen".