651606006 has 8 divisors (see below), whose sum is σ = 1303212024. Its totient is φ = 217202000.

The previous prime is 651605987. The next prime is 651606023. The reversal of 651606006 is 600606156.

It is a sphenic number, since it is the product of 3 distinct primes.

651606006 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54300495 + ... + 54300506.

It is an arithmetic number, because the mean of its divisors is an integer number (162901503).

Almost surely, 2^651606006 is an apocalyptic number.

651606006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

651606006 is a wasteful number, since it uses less digits than its factorization.

651606006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108601006.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 651606006 is about 25526.5745057969. The cubic root of 651606006 is about 866.9519468797.

The spelling of 651606006 in words is "six hundred fifty-one million, six hundred six thousand, six".