1648077630 has 16 divisors (see below), whose sum is σ = 3955386384. Its totient is φ = 439487360.

The previous prime is 1648077553. The next prime is 1648077637. The reversal of 1648077630 is 367708461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648077637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27467931 + ... + 27467990.

It is an arithmetic number, because the mean of its divisors is an integer number (247211649).

Almost surely, 2^1648077630 is an apocalyptic number.

1648077630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1648077630 is an abundant number, since it is smaller than the sum of its proper divisors (2307308754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1648077630 is a wasteful number, since it uses less digits than its factorization.

1648077630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54935931.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1648077630 is about 40596.5223880076. The cubic root of 1648077630 is about 1181.2066632851.

The spelling of 1648077630 in words is "one billion, six hundred forty-eight million, seventy-seven thousand, six hundred thirty".