650081651346 has 64 divisors (see below), whose sum is σ = 1530209007360. Its totient is φ = 203866502400.

The previous prime is 650081651341. The next prime is 650081651369. The reversal of 650081651346 is 643156180056.

650081651346 is a `hidden beast` number, since 6 + 50 + 0 + 81 + 6 + 513 + 4 + 6 = 666.

It is a super-2 number, since 2×650081651346² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (650081651341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2203020 + ... + 2480616.

It is an arithmetic number, because the mean of its divisors is an integer number (23909515740).

Almost surely, 2^650081651346 is an apocalyptic number.

650081651346 is an abundant number, since it is smaller than the sum of its proper divisors (880127356014).

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

650081651346 is a wasteful number, since it uses less digits than its factorization.

650081651346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280176 (or 280170 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 650081651346 in words is "six hundred fifty billion, eighty-one million, six hundred fifty-one thousand, three hundred forty-six".