1620351341 has 8 divisors (see below), whose sum is σ = 1870921920. Its totient is φ = 1374553728.

The previous prime is 1620351281. The next prime is 1620351347. The reversal of 1620351341 is 1431530261.

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 1620351341 - 2²⁶ = 1553242477 is a prime.

It is a super-3 number, since 3×1620351341³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1620351341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620351347) 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, 1192511 + ... + 1193868.

It is an arithmetic number, because the mean of its divisors is an integer number (233865240).

Almost surely, 2^1620351341 is an apocalyptic number.

It is an amenable number.

1620351341 is a deficient number, since it is larger than the sum of its proper divisors (250570579).

1620351341 is an equidigital number, since it uses as much as digits as its factorization.

1620351341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386483.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1620351341 is about 40253.5879270407. The cubic root of 1620351341 is about 1174.5451907512.

The spelling of 1620351341 in words is "one billion, six hundred twenty million, three hundred fifty-one thousand, three hundred forty-one".