3406061561 has 8 divisors (see below), whose sum is σ = 3898200384. Its totient is φ = 2915312400.

The previous prime is 3406061443. The next prime is 3406061573. The reversal of 3406061561 is 1651606043.

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

It is not a de Polignac number, because 3406061561 - 2¹⁴ = 3406045177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3406061161) 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, 342155 + ... + 351968.

It is an arithmetic number, because the mean of its divisors is an integer number (487275048).

Almost surely, 2^3406061561 is an apocalyptic number.

It is an amenable number.

3406061561 is a deficient number, since it is larger than the sum of its proper divisors (492138823).

3406061561 is an equidigital number, since it uses as much as digits as its factorization.

3406061561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694831.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3406061561 is about 58361.4732593344. The cubic root of 3406061561 is about 1504.5876673087.

The spelling of 3406061561 in words is "three billion, four hundred six million, sixty-one thousand, five hundred sixty-one".