1610401243 has 16 divisors (see below), whose sum is σ = 1784880000. Its totient is φ = 1440694080.

The previous prime is 1610401241. The next prime is 1610401277. The reversal of 1610401243 is 3421040161.

It is a cyclic number.

It is not a de Polignac number, because 1610401243 - 2¹ = 1610401241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1610401241) 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, 398688 + ... + 402706.

It is an arithmetic number, because the mean of its divisors is an integer number (111555000).

Almost surely, 2^1610401243 is an apocalyptic number.

1610401243 is a deficient number, since it is larger than the sum of its proper divisors (174478757).

1610401243 is a wasteful number, since it uses less digits than its factorization.

1610401243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1610401243 is about 40129.8049210310. The cubic root of 1610401243 is about 1172.1360746519.

The spelling of 1610401243 in words is "one billion, six hundred ten million, four hundred one thousand, two hundred forty-three".