1646056162 has 4 divisors (see below), whose sum is σ = 2469084246. Its totient is φ = 823028080.

The previous prime is 1646056129. The next prime is 1646056169. The reversal of 1646056162 is 2616506461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2616506461 = 89 ⋅29398949.

It can be written as a sum of positive squares in only one way, i.e., 1036904401 + 609151761 = 32201^2 + 24681^2 .

It is not an unprimeable number, because it can be changed into a prime (1646056169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411514039 + ... + 411514042.

Almost surely, 2^1646056162 is an apocalyptic number.

1646056162 is a deficient number, since it is larger than the sum of its proper divisors (823028084).

1646056162 is an equidigital number, since it uses as much as digits as its factorization.

1646056162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823028083.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1646056162 is about 40571.6176902031. The cubic root of 1646056162 is about 1180.7235249623.

The spelling of 1646056162 in words is "one billion, six hundred forty-six million, fifty-six thousand, one hundred sixty-two".