1601091958 has 8 divisors (see below), whose sum is σ = 2417543280. Its totient is φ = 795244200.

The previous prime is 1601091923. The next prime is 1601091967. The reversal of 1601091958 is 8591901061.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1601091958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650513 + ... + 2651116.

It is an arithmetic number, because the mean of its divisors is an integer number (302192910).

Almost surely, 2^1601091958 is an apocalyptic number.

1601091958 is a deficient number, since it is larger than the sum of its proper divisors (816451322).

1601091958 is a wasteful number, since it uses less digits than its factorization.

1601091958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301782.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 1601091958 is about 40013.6471469423. The cubic root of 1601091958 is about 1169.8731101584.

The spelling of 1601091958 in words is "one billion, six hundred one million, ninety-one thousand, nine hundred fifty-eight".