671601454 has 8 divisors (see below), whose sum is σ = 1007847648. Its totient is φ = 335652240.

The previous prime is 671601433. The next prime is 671601457. The reversal of 671601454 is 454106176.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671601457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68502 + ... + 77689.

It is an arithmetic number, because the mean of its divisors is an integer number (125980956).

Almost surely, 2^671601454 is an apocalyptic number.

671601454 is a deficient number, since it is larger than the sum of its proper divisors (336246194).

671601454 is a wasteful number, since it uses less digits than its factorization.

671601454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148490.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 671601454 is about 25915.2745306701. The cubic root of 671601454 is about 875.7306350205.

The spelling of 671601454 in words is "six hundred seventy-one million, six hundred one thousand, four hundred fifty-four".