660374004471 has 16 divisors (see below), whose sum is σ = 909032355840. Its totient is φ = 425986572960.

The previous prime is 660374004463. The next prime is 660374004473. The reversal of 660374004471 is 174400473066.

It is not a de Polignac number, because 660374004471 - 2³ = 660374004463 is a prime.

It is a super-3 number, since 3×660374004471³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660374004473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145950 + ... + 1158468.

It is an arithmetic number, because the mean of its divisors is an integer number (56814522240).

Almost surely, 2^660374004471 is an apocalyptic number.

660374004471 is a deficient number, since it is larger than the sum of its proper divisors (248658351369).

660374004471 is a wasteful number, since it uses less digits than its factorization.

660374004471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019566.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 660374004471 in words is "six hundred sixty billion, three hundred seventy-four million, four thousand, four hundred seventy-one".