611950560 has 192 divisors, whose sum is σ = 2089281600. Its totient is φ = 149667840.

The previous prime is 611950553. The next prime is 611950567. The reversal of 611950560 is 65059116.

It is an interprime number because it is at equal distance from previous prime (611950553) and next prime (611950567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611950567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1753266 + ... + 1753614.

It is an arithmetic number, because the mean of its divisors is an integer number (10881675).

Almost surely, 2^611950560 is an apocalyptic number.

611950560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611950560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044640800).

611950560 is an abundant number, since it is smaller than the sum of its proper divisors (1477331040).

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

611950560 is a wasteful number, since it uses less digits than its factorization.

611950560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 611950560 is about 24737.6344867491. The cubic root of 611950560 is about 848.9956118036.

The spelling of 611950560 in words is "six hundred eleven million, nine hundred fifty thousand, five hundred sixty".