611620632 has 80 divisors (see below), whose sum is σ = 1957847760. Its totient is φ = 174747456.

The previous prime is 611620631. The next prime is 611620637. The reversal of 611620632 is 236026116.

611620632 is a `hidden beast` number, since 6 + 1 + 1 + 6 + 20 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 611620596 and 611620605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611620631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62883 + ... + 71954.

It is an arithmetic number, because the mean of its divisors is an integer number (24473097).

Almost surely, 2^611620632 is an apocalyptic number.

It is an amenable number.

611620632 is an abundant number, since it is smaller than the sum of its proper divisors (1346227128).

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

611620632 is a wasteful number, since it uses less digits than its factorization.

611620632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134862 (or 134849 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 611620632 is about 24730.9650438474. The cubic root of 611620632 is about 848.8430080930.

Adding to 611620632 its reverse (236026116), we get a palindrome (847646748).

The spelling of 611620632 in words is "six hundred eleven million, six hundred twenty thousand, six hundred thirty-two".