611061648 has 80 divisors (see below), whose sum is σ = 1627830336. Its totient is φ = 197406720.

The previous prime is 611061613. The next prime is 611061667. The reversal of 611061648 is 846160116.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 281688 + ... + 283848.

Almost surely, 2^611061648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611061648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813915168).

611061648 is an abundant number, since it is smaller than the sum of its proper divisors (1016768688).

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

611061648 is a wasteful number, since it uses less digits than its factorization.

611061648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 611061648 is about 24719.6611627263. The cubic root of 611061648 is about 848.5843323387.

The spelling of 611061648 in words is "six hundred eleven million, sixty-one thousand, six hundred forty-eight".