651550046 has 8 divisors (see below), whose sum is σ = 1116942960. Its totient is φ = 279235728.

The previous prime is 651550037. The next prime is 651550073. The reversal of 651550046 is 640055156.

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

It is a junction number, because it is equal to n+sod(n) for n = 651549994 and 651550021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23269631 + ... + 23269658.

It is an arithmetic number, because the mean of its divisors is an integer number (139617870).

Almost surely, 2^651550046 is an apocalyptic number.

651550046 is a deficient number, since it is larger than the sum of its proper divisors (465392914).

651550046 is a wasteful number, since it uses less digits than its factorization.

651550046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46539298.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 651550046 is about 25525.4783696604. The cubic root of 651550046 is about 866.9271281910.

The spelling of 651550046 in words is "six hundred fifty-one million, five hundred fifty thousand, forty-six".