611851464 has 96 divisors (see below), whose sum is σ = 1954967040. Its totient is φ = 169171200.

The previous prime is 611851441. The next prime is 611851469. The reversal of 611851464 is 464158116.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (611851469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3957 + ... + 35204.

It is an arithmetic number, because the mean of its divisors is an integer number (20364240).

Almost surely, 2^611851464 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 611851464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977483520).

611851464 is an abundant number, since it is smaller than the sum of its proper divisors (1343115576).

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

611851464 is a wasteful number, since it uses less digits than its factorization.

611851464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39211 (or 39204 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 611851464 is about 24735.6314655600. The cubic root of 611851464 is about 848.9497820605.

The spelling of 611851464 in words is "six hundred eleven million, eight hundred fifty-one thousand, four hundred sixty-four".