7345161994 has 4 divisors (see below), whose sum is σ = 11017742994. Its totient is φ = 3672580996.

The previous prime is 7345161991. The next prime is 7345161997. The reversal of 7345161994 is 4991615437.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7345161991) and next prime (7345161997).

It can be written as a sum of positive squares in only one way, i.e., 7020261369 + 324900625 = 83787^2 + 18025^2 .

It is not an unprimeable number, because it can be changed into a prime (7345161991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1836290497 + ... + 1836290500.

Almost surely, 2^7345161994 is an apocalyptic number.

7345161994 is a deficient number, since it is larger than the sum of its proper divisors (3672581000).

7345161994 is a wasteful number, since it uses less digits than its factorization.

7345161994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672580999.

The product of its digits is 816480, while the sum is 49.

The square root of 7345161994 is about 85703.9205287599. The cubic root of 7345161994 is about 1943.8695919580.

The spelling of 7345161994 in words is "seven billion, three hundred forty-five million, one hundred sixty-one thousand, nine hundred ninety-four".