1620104622 has 32 divisors (see below), whose sum is σ = 3333679872. Its totient is φ = 524677824.

The previous prime is 1620104579. The next prime is 1620104669. The reversal of 1620104622 is 2264010261.

It is a super-3 number, since 3×1620104622³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1620104592 and 1620104601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743 + ... + 56949.

It is an arithmetic number, because the mean of its divisors is an integer number (104177496).

Almost surely, 2^1620104622 is an apocalyptic number.

1620104622 is an abundant number, since it is smaller than the sum of its proper divisors (1713575250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1620104622 is a wasteful number, since it uses less digits than its factorization.

1620104622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55352.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1620104622 is about 40250.5232512572. The cubic root of 1620104622 is about 1174.4855746016.

Adding to 1620104622 its reverse (2264010261), we get a palindrome (3884114883).

The spelling of 1620104622 in words is "one billion, six hundred twenty million, one hundred four thousand, six hundred twenty-two".