6456520146 has 8 divisors (see below), whose sum is σ = 12913040304. Its totient is φ = 2152173380.

The previous prime is 6456520129. The next prime is 6456520163. The reversal of 6456520146 is 6410256546.

It is an interprime number because it is at equal distance from previous prime (6456520129) and next prime (6456520163).

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

6456520146 is an admirable number.

It is a super-3 number, since 3×6456520146³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538043340 + ... + 538043351.

It is an arithmetic number, because the mean of its divisors is an integer number (1614130038).

Almost surely, 2^6456520146 is an apocalyptic number.

6456520146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6456520146 is a wasteful number, since it uses less digits than its factorization.

6456520146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076086696.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 6456520146 is about 80352.4744236293. The cubic root of 6456520146 is about 1862.0850078273.

The spelling of 6456520146 in words is "six billion, four hundred fifty-six million, five hundred twenty thousand, one hundred forty-six".