3153311661 has 16 divisors (see below), whose sum is σ = 4528742400. Its totient is φ = 1945941360.

The previous prime is 3153311641. The next prime is 3153311671. The reversal of 3153311661 is 1661133513.

It is not a de Polignac number, because 3153311661 - 2⁶ = 3153311597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3153311621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734961 + ... + 739238.

It is an arithmetic number, because the mean of its divisors is an integer number (283046400).

Almost surely, 2^3153311661 is an apocalyptic number.

3153311661 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3153311661 is a deficient number, since it is larger than the sum of its proper divisors (1375430739).

3153311661 is a wasteful number, since it uses less digits than its factorization.

3153311661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474256.

The product of its digits is 4860, while the sum is 30.

The square root of 3153311661 is about 56154.3556725567. The cubic root of 3153311661 is about 1466.4107384420.

The spelling of 3153311661 in words is "three billion, one hundred fifty-three million, three hundred eleven thousand, six hundred sixty-one".