199351146237 has 16 divisors (see below), whose sum is σ = 269114711040. Its totient is φ = 131245491632.

The previous prime is 199351146227. The next prime is 199351146277. The reversal of 199351146237 is 732641153991.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 199351146237 - 2¹⁴ = 199351129853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199351146237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199351146227) 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, 445714 + ... + 772892.

It is an arithmetic number, because the mean of its divisors is an integer number (16819669440).

Almost surely, 2^199351146237 is an apocalyptic number.

It is an amenable number.

199351146237 is a deficient number, since it is larger than the sum of its proper divisors (69763564803).

199351146237 is a wasteful number, since it uses less digits than its factorization.

199351146237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329712.

The product of its digits is 1224720, while the sum is 51.

The spelling of 199351146237 in words is "one hundred ninety-nine billion, three hundred fifty-one million, one hundred forty-six thousand, two hundred thirty-seven".