1671154475 has 12 divisors (see below), whose sum is σ = 2106204480. Its totient is φ = 1315005600.

The previous prime is 1671154427. The next prime is 1671154487. The reversal of 1671154475 is 5744511761.

It is a happy number.

It is not a de Polignac number, because 1671154475 - 2⁶ = 1671154411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546395 + ... + 549444.

It is an arithmetic number, because the mean of its divisors is an integer number (175517040).

Almost surely, 2^1671154475 is an apocalyptic number.

1671154475 is a deficient number, since it is larger than the sum of its proper divisors (435050005).

1671154475 is a wasteful number, since it uses less digits than its factorization.

1671154475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095910 (or 1095905 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 1671154475 is about 40879.7562981973. The cubic root of 1671154475 is about 1186.6943247860.

The spelling of 1671154475 in words is "one billion, six hundred seventy-one million, one hundred fifty-four thousand, four hundred seventy-five".