64001650002 has 16 divisors (see below), whose sum is σ = 128038674240. Its totient is φ = 21327987632.

The previous prime is 64001649949. The next prime is 64001650019. The reversal of 64001650002 is 20005610046.

It is a super-2 number, since 2×64001650002² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450377 + ... + 1493852.

It is an arithmetic number, because the mean of its divisors is an integer number (8002417140).

Almost surely, 2^64001650002 is an apocalyptic number.

64001650002 is an abundant number, since it is smaller than the sum of its proper divisors (64037024238).

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

64001650002 is a wasteful number, since it uses less digits than its factorization.

64001650002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947857.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 64001650002 in words is "sixty-four billion, one million, six hundred fifty thousand, two".