1615920130 has 32 divisors (see below), whose sum is σ = 3175381440. Its totient is φ = 587181120.

The previous prime is 1615920121. The next prime is 1615920133. The reversal of 1615920130 is 310295161.

It is a super-2 number, since 2×1615920130² = 5222395733078433800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1615920133) 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 15 ways as a sum of consecutive naturals, for example, 174456 + ... + 183484.

It is an arithmetic number, because the mean of its divisors is an integer number (99230670).

Almost surely, 2^1615920130 is an apocalyptic number.

1615920130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1615920130 is a deficient number, since it is larger than the sum of its proper divisors (1559461310).

1615920130 is a wasteful number, since it uses less digits than its factorization.

1615920130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1615920130 is about 40198.5090519537. The cubic root of 1615920130 is about 1173.4735282688.

The spelling of 1615920130 in words is "one billion, six hundred fifteen million, nine hundred twenty thousand, one hundred thirty".