190673492487 has 16 divisors (see below), whose sum is σ = 267665036160. Its totient is φ = 120401461152.

The previous prime is 190673492479. The next prime is 190673492491. The reversal of 190673492487 is 784294376091.

It is not a de Polignac number, because 190673492487 - 2³ = 190673492479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190673492487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190673492497) 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, 40053 + ... + 618830.

It is an arithmetic number, because the mean of its divisors is an integer number (16729064760).

Almost surely, 2^190673492487 is an apocalyptic number.

190673492487 is a deficient number, since it is larger than the sum of its proper divisors (76991543673).

190673492487 is a wasteful number, since it uses less digits than its factorization.

190673492487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663982.

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 190673492487 in words is "one hundred ninety billion, six hundred seventy-three million, four hundred ninety-two thousand, four hundred eighty-seven".