1620130699 has 8 divisors (see below), whose sum is σ = 1767739392. Its totient is φ = 1472576040.

The previous prime is 1620130667. The next prime is 1620130709. The reversal of 1620130699 is 9960310261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1620130699 - 2⁵ = 1620130667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1620130639) 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, 73702 + ... + 93124.

It is an arithmetic number, because the mean of its divisors is an integer number (220967424).

Almost surely, 2^1620130699 is an apocalyptic number.

1620130699 is a deficient number, since it is larger than the sum of its proper divisors (147608693).

1620130699 is a wasteful number, since it uses less digits than its factorization.

1620130699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27017.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1620130699 is about 40250.8471836308. The cubic root of 1620130699 is about 1174.4918760251.

The spelling of 1620130699 in words is "one billion, six hundred twenty million, one hundred thirty thousand, six hundred ninety-nine".