3762616561 has 8 divisors (see below), whose sum is σ = 4106670048. Its totient is φ = 3418896000.

The previous prime is 3762616519. The next prime is 3762616567. The reversal of 3762616561 is 1656162673.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3762616561 - 2¹⁹ = 3762092273 is a prime.

It is a super-2 number, since 2×3762616561² = 28314566770222933442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3762616567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59295 + ... + 105076.

It is an arithmetic number, because the mean of its divisors is an integer number (513333756).

Almost surely, 2^3762616561 is an apocalyptic number.

It is an amenable number.

3762616561 is a deficient number, since it is larger than the sum of its proper divisors (344053487).

3762616561 is a wasteful number, since it uses less digits than its factorization.

3762616561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166463.

The product of its digits is 272160, while the sum is 43.

The square root of 3762616561 is about 61340.1708589078. The cubic root of 3762616561 is about 1555.3566399029.

The spelling of 3762616561 in words is "three billion, seven hundred sixty-two million, six hundred sixteen thousand, five hundred sixty-one".