1620414377 has 8 divisors (see below), whose sum is σ = 1695665664. Its totient is φ = 1545563008.

The previous prime is 1620414359. The next prime is 1620414413. The reversal of 1620414377 is 7734140261.

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 1620414377 - 2¹⁶ = 1620348841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1620414337) 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, 91673 + ... + 107910.

It is an arithmetic number, because the mean of its divisors is an integer number (211958208).

Almost surely, 2^1620414377 is an apocalyptic number.

It is an amenable number.

1620414377 is a deficient number, since it is larger than the sum of its proper divisors (75251287).

1620414377 is a wasteful number, since it uses less digits than its factorization.

1620414377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199959.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1620414377 is about 40254.3709055302. The cubic root of 1620414377 is about 1174.5604215366.

The spelling of 1620414377 in words is "one billion, six hundred twenty million, four hundred fourteen thousand, three hundred seventy-seven".