361006551 has 40 divisors (see below), whose sum is σ = 568301184. Its totient is φ = 227929680.

The previous prime is 361006531. The next prime is 361006553. The reversal of 361006551 is 155600163.

It is a happy number.

361006551 is a `hidden beast` number, since 3 + 6 + 1 + 0 + 0 + 655 + 1 = 666.

It is not a de Polignac number, because 361006551 - 2¹⁰ = 361005527 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361006553) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 198436 + ... + 200246.

Almost surely, 2^361006551 is an apocalyptic number.

361006551 is a deficient number, since it is larger than the sum of its proper divisors (207294633).

361006551 is a wasteful number, since it uses less digits than its factorization.

361006551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 361006551 is about 19000.1723939547. The cubic root of 361006551 is about 712.0410429303.

The spelling of 361006551 in words is "three hundred sixty-one million, six thousand, five hundred fifty-one".