1656929163 has 4 divisors (see below), whose sum is σ = 2209238888. Its totient is φ = 1104619440.

The previous prime is 1656929159. The next prime is 1656929167. The reversal of 1656929163 is 3619296561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3619296561 = 3 ⋅1206432187.

It is an interprime number because it is at equal distance from previous prime (1656929159) and next prime (1656929167).

It is not a de Polignac number, because 1656929163 - 2² = 1656929159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1656929167) 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, 276154858 + ... + 276154863.

It is an arithmetic number, because the mean of its divisors is an integer number (552309722).

Almost surely, 2^1656929163 is an apocalyptic number.

1656929163 is a deficient number, since it is larger than the sum of its proper divisors (552309725).

1656929163 is an equidigital number, since it uses as much as digits as its factorization.

1656929163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552309724.

The product of its digits is 524880, while the sum is 48.

The square root of 1656929163 is about 40705.3947653134. The cubic root of 1656929163 is about 1183.3175725909.

The spelling of 1656929163 in words is "one billion, six hundred fifty-six million, nine hundred twenty-nine thousand, one hundred sixty-three".