1616406234 has 64 divisors (see below), whose sum is σ = 3433881600. Its totient is φ = 506410688.

The previous prime is 1616406221. The next prime is 1616406251. The reversal of 1616406234 is 4326046161.

It is a super-2 number, since 2×1616406234² = 5225538226628125512, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1616406195 and 1616406204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1954129 + ... + 1954955.

It is an arithmetic number, because the mean of its divisors is an integer number (53654400).

Almost surely, 2^1616406234 is an apocalyptic number.

1616406234 is an abundant number, since it is smaller than the sum of its proper divisors (1817475366).

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

1616406234 is a wasteful number, since it uses less digits than its factorization.

1616406234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1616406234 is about 40204.5548912060. The cubic root of 1616406234 is about 1173.5911852774.

The spelling of 1616406234 in words is "one billion, six hundred sixteen million, four hundred six thousand, two hundred thirty-four".