671063517463456 has 48 divisors (see below), whose sum is σ = 1422786496610304. Its totient is φ = 309721016335104.

The previous prime is 671063517463439. The next prime is 671063517463481. The reversal of 671063517463456 is 654364715360176.

It is a super-2 number, since 2×671063517463456² (a number of 30 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, 264765321 + ... + 267287863.

It is an arithmetic number, because the mean of its divisors is an integer number (29641385346048).

Almost surely, 2^{671063517463456} is an apocalyptic number.

It is an amenable number.

671063517463456 is an abundant number, since it is smaller than the sum of its proper divisors (751722979146848).

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

671063517463456 is a wasteful number, since it uses less digits than its factorization.

671063517463456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162053 (or 3162045 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 64.

The spelling of 671063517463456 in words is "six hundred seventy-one trillion, sixty-three billion, five hundred seventeen million, four hundred sixty-three thousand, four hundred fifty-six".