1630465064 has 8 divisors (see below), whose sum is σ = 3057122010. Its totient is φ = 815232528.

The previous prime is 1630465063. The next prime is 1630465093. The reversal of 1630465064 is 4605640361.

It can be written as a sum of positive squares in only one way, i.e., 1066022500 + 564442564 = 32650^2 + 23758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1630465063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101904059 + ... + 101904074.

Almost surely, 2^1630465064 is an apocalyptic number.

It is an amenable number.

1630465064 is a deficient number, since it is larger than the sum of its proper divisors (1426656946).

1630465064 is a wasteful number, since it uses less digits than its factorization.

1630465064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203808139 (or 203808135 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1630465064 is about 40379.0176205415. The cubic root of 1630465064 is about 1176.9838377930.

The spelling of 1630465064 in words is "one billion, six hundred thirty million, four hundred sixty-five thousand, sixty-four".