1620264010 has 16 divisors (see below), whose sum is σ = 2934370656. Its totient is φ = 644128848.

The previous prime is 1620263993. The next prime is 1620264013. The reversal of 1620264010 is 104620261.

It is not an unprimeable number, because it can be changed into a prime (1620264013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495384 + ... + 498643.

It is an arithmetic number, because the mean of its divisors is an integer number (183398166).

Almost surely, 2^1620264010 is an apocalyptic number.

1620264010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1620264010 is a deficient number, since it is larger than the sum of its proper divisors (1314106646).

1620264010 is a wasteful number, since it uses less digits than its factorization.

1620264010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994197.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1620264010 is about 40252.5031519780. The cubic root of 1620264010 is about 1174.5240891448.

Adding to 1620264010 its reverse (104620261), we get a palindrome (1724884271).

The spelling of 1620264010 in words is "one billion, six hundred twenty million, two hundred sixty-four thousand, ten".