651200016 has 80 divisors (see below), whose sum is σ = 1708194240. Its totient is φ = 213749760.

The previous prime is 651199999. The next prime is 651200023. The reversal of 651200016 is 610002156.

It is a happy number.

It is a super-2 number, since 2×651200016² = 848122921676800512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 651199965 and 651200001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144180 + ... + 1144748.

It is an arithmetic number, because the mean of its divisors is an integer number (21352428).

Almost surely, 2^651200016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651200016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854097120).

651200016 is an abundant number, since it is smaller than the sum of its proper divisors (1056994224).

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

651200016 is a wasteful number, since it uses less digits than its factorization.

651200016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 651200016 is about 25518.6209658751. The cubic root of 651200016 is about 866.7718549513.

The spelling of 651200016 in words is "six hundred fifty-one million, two hundred thousand, sixteen".