1610666416 has 20 divisors (see below), whose sum is σ = 3127788400. Its totient is φ = 803495232.

The previous prime is 1610666413. The next prime is 1610666417. The reversal of 1610666416 is 6146660161.

It is not an unprimeable number, because it can be changed into a prime (1610666413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107631 + ... + 121678.

It is an arithmetic number, because the mean of its divisors is an integer number (156389420).

Almost surely, 2^1610666416 is an apocalyptic number.

1610666416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1610666416 is a deficient number, since it is larger than the sum of its proper divisors (1517121984).

1610666416 is a wasteful number, since it uses less digits than its factorization.

1610666416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229756 (or 229750 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1610666416 is about 40133.1087258388. The cubic root of 1610666416 is about 1172.2004068139.

The spelling of 1610666416 in words is "one billion, six hundred ten million, six hundred sixty-six thousand, four hundred sixteen".