1671190842 has 64 divisors (see below), whose sum is σ = 3514503168. Its totient is φ = 529152000.

The previous prime is 1671190837. The next prime is 1671190853. The reversal of 1671190842 is 2480911761.

It is a self number, because there is not a number n which added to its sum of digits gives 1671190842.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2606842 + ... + 2607482.

It is an arithmetic number, because the mean of its divisors is an integer number (54914112).

Almost surely, 2^1671190842 is an apocalyptic number.

1671190842 is an abundant number, since it is smaller than the sum of its proper divisors (1843312326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1671190842 is a wasteful number, since it uses less digits than its factorization.

1671190842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1671190842 is about 40880.2011002881. The cubic root of 1671190842 is about 1186.7029328471.

The spelling of 1671190842 in words is "one billion, six hundred seventy-one million, one hundred ninety thousand, eight hundred forty-two".