1616402136 has 16 divisors (see below), whose sum is σ = 4041005400. Its totient is φ = 538800704.

The previous prime is 1616402131. The next prime is 1616402141. The reversal of 1616402136 is 6312046161.

It is an interprime number because it is at equal distance from previous prime (1616402131) and next prime (1616402141).

It is a super-2 number, since 2×1616402136² = 5225511730530724992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616402131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33675021 + ... + 33675068.

Almost surely, 2^1616402136 is an apocalyptic number.

It is an amenable number.

1616402136 is an abundant number, since it is smaller than the sum of its proper divisors (2424603264).

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

1616402136 is a wasteful number, since it uses less digits than its factorization.

1616402136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67350098 (or 67350094 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1616402136 is about 40204.5039267990. The cubic root of 1616402136 is about 1173.5901934928.

Adding to 1616402136 its reverse (6312046161), we get a palindrome (7928448297).

The spelling of 1616402136 in words is "one billion, six hundred sixteen million, four hundred two thousand, one hundred thirty-six".