367661506 has 4 divisors (see below), whose sum is σ = 551492262. Its totient is φ = 183830752.

The previous prime is 367661491. The next prime is 367661521. The reversal of 367661506 is 605166763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605166763 = 373 ⋅1622431.

It is an interprime number because it is at equal distance from previous prime (367661491) and next prime (367661521).

It can be written as a sum of positive squares in only one way, i.e., 285305881 + 82355625 = 16891^2 + 9075^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91915375 + ... + 91915378.

Almost surely, 2^367661506 is an apocalyptic number.

367661506 is a deficient number, since it is larger than the sum of its proper divisors (183830756).

367661506 is a wasteful number, since it uses less digits than its factorization.

367661506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183830755.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 367661506 is about 19174.5014537536. The cubic root of 367661506 is about 716.3897893732.

The spelling of 367661506 in words is "three hundred sixty-seven million, six hundred sixty-one thousand, five hundred six".