671458222152 has 24 divisors (see below), whose sum is σ = 1818532685190. Its totient is φ = 223819407360.

The previous prime is 671458222117. The next prime is 671458222153. The reversal of 671458222152 is 251222854176.

671458222152 is a `hidden beast` number, since 6 + 7 + 14 + 582 + 2 + 2 + 1 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 415800570276 + 255657651876 = 644826^2 + 505626^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×671458222152² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 671458222098 and 671458222107.

It is not an unprimeable number, because it can be changed into a prime (671458222153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4662904249 + ... + 4662904392.

Almost surely, 2^671458222152 is an apocalyptic number.

It is an amenable number.

671458222152 is an abundant number, since it is smaller than the sum of its proper divisors (1147074463038).

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

671458222152 is a wasteful number, since it uses less digits than its factorization.

671458222152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9325808653 (or 9325808646 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The spelling of 671458222152 in words is "six hundred seventy-one billion, four hundred fifty-eight million, two hundred twenty-two thousand, one hundred fifty-two".