1620618114 has 16 divisors (see below), whose sum is σ = 3241844352. Its totient is φ = 540104688.

The previous prime is 1620618113. The next prime is 1620618119. The reversal of 1620618114 is 4118160261.

It is not an unprimeable number, because it can be changed into a prime (1620618113) 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, 14007 + ... + 58629.

It is an arithmetic number, because the mean of its divisors is an integer number (202615272).

Almost surely, 2^1620618114 is an apocalyptic number.

1620618114 is an abundant number, since it is smaller than the sum of its proper divisors (1621226238).

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

1620618114 is a wasteful number, since it uses less digits than its factorization.

1620618114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50681.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1620618114 is about 40256.9014455907. The cubic root of 1620618114 is about 1174.6096458567.

Adding to 1620618114 its reverse (4118160261), we get a palindrome (5738778375).

The spelling of 1620618114 in words is "one billion, six hundred twenty million, six hundred eighteen thousand, one hundred fourteen".