361156197 has 16 divisors (see below), whose sum is σ = 495631872. Its totient is φ = 233827440.

The previous prime is 361156171. The next prime is 361156219. The reversal of 361156197 is 791651163.

It is a happy number.

It is not a de Polignac number, because 361156197 - 2¹⁶ = 361090661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361156897) 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, 1618 + ... + 26924.

It is an arithmetic number, because the mean of its divisors is an integer number (30976992).

Almost surely, 2^361156197 is an apocalyptic number.

It is an amenable number.

361156197 is a deficient number, since it is larger than the sum of its proper divisors (134475675).

361156197 is a wasteful number, since it uses less digits than its factorization.

361156197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25448.

The product of its digits is 34020, while the sum is 39.

The square root of 361156197 is about 19004.1100028389. The cubic root of 361156197 is about 712.1394154519.

The spelling of 361156197 in words is "three hundred sixty-one million, one hundred fifty-six thousand, one hundred ninety-seven".