651616426 has 16 divisors (see below), whose sum is σ = 1043076096. Its totient is φ = 304226496.

The previous prime is 651616423. The next prime is 651616447. The reversal of 651616426 is 624616156.

651616426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (651616423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71136 + ... + 79771.

It is an arithmetic number, because the mean of its divisors is an integer number (65192256).

Almost surely, 2^651616426 is an apocalyptic number.

651616426 is a deficient number, since it is larger than the sum of its proper divisors (391459670).

651616426 is a wasteful number, since it uses less digits than its factorization.

651616426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151053.

The product of its digits is 51840, while the sum is 37.

The square root of 651616426 is about 25526.7786060051. The cubic root of 651616426 is about 866.9565680726.

The spelling of 651616426 in words is "six hundred fifty-one million, six hundred sixteen thousand, four hundred twenty-six".