1670039040187 has 4 divisors (see below), whose sum is σ = 1908616045936. Its totient is φ = 1431462034440.

The previous prime is 1670039040097. The next prime is 1670039040209. The reversal of 1670039040187 is 7810409300761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1670039040187 - 2¹⁵ = 1670039007419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670039040287) 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, 119288502864 + ... + 119288502877.

It is an arithmetic number, because the mean of its divisors is an integer number (477154011484).

Almost surely, 2^{1670039040187} is an apocalyptic number.

1670039040187 is a deficient number, since it is larger than the sum of its proper divisors (238577005749).

1670039040187 is an equidigital number, since it uses as much as digits as its factorization.

1670039040187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238577005748.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 1670039040187 in words is "one trillion, six hundred seventy billion, thirty-nine million, forty thousand, one hundred eighty-seven".