3661015764069 has 32 divisors (see below), whose sum is σ = 5539439808000. Its totient is φ = 2388612333312.

The previous prime is 3661015764067. The next prime is 3661015764083. The reversal of 3661015764069 is 9604675101663.

It is a happy number.

3661015764069 is a `hidden beast` number, since 3 + 6 + 6 + 1 + 0 + 1 + 576 + 4 + 0 + 69 = 666.

It is not a de Polignac number, because 3661015764069 - 2¹ = 3661015764067 is a prime.

It is a super-2 number, since 2×3661015764069² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661015764061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25421137 + ... + 25564745.

It is an arithmetic number, because the mean of its divisors is an integer number (173107494000).

Almost surely, 2^{3661015764069} is an apocalyptic number.

It is an amenable number.

3661015764069 is a deficient number, since it is larger than the sum of its proper divisors (1878424043931).

3661015764069 is a wasteful number, since it uses less digits than its factorization.

3661015764069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163754 (or 163748 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 3661015764069 in words is "three trillion, six hundred sixty-one billion, fifteen million, seven hundred sixty-four thousand, sixty-nine".