1610216741 has 4 divisors (see below), whose sum is σ = 1840247712. Its totient is φ = 1380185772.

The previous prime is 1610216701. The next prime is 1610216809. The reversal of 1610216741 is 1476120161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1610216741 is a prime.

It is a super-2 number, since 2×1610216741² = 5185595905993322162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610216701) 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, 115015475 + ... + 115015488.

It is an arithmetic number, because the mean of its divisors is an integer number (460061928).

Almost surely, 2^1610216741 is an apocalyptic number.

It is an amenable number.

1610216741 is a deficient number, since it is larger than the sum of its proper divisors (230030971).

1610216741 is an equidigital number, since it uses as much as digits as its factorization.

1610216741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230030970.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1610216741 is about 40127.5060401217. The cubic root of 1610216741 is about 1172.0913094709.

The spelling of 1610216741 in words is "one billion, six hundred ten million, two hundred sixteen thousand, seven hundred forty-one".