1651000056 has 64 divisors (see below), whose sum is σ = 4171305600. Its totient is φ = 544526208.

The previous prime is 1651000037. The next prime is 1651000103. The reversal of 1651000056 is 6500001561.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 974346 + ... + 976038.

It is an arithmetic number, because the mean of its divisors is an integer number (65176650).

Almost surely, 2^1651000056 is an apocalyptic number.

It is a pronic number, being equal to 40632×40633.

It is an amenable number.

1651000056 is an abundant number, since it is smaller than the sum of its proper divisors (2520305544).

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

1651000056 is a wasteful number, since it uses less digits than its factorization.

1651000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1651000056 is about 40632.4999969236. The cubic root of 1651000056 is about 1181.9044359740.

The spelling of 1651000056 in words is "one billion, six hundred fifty-one million, fifty-six", and thus it is an aban number.