1616428042 has 16 divisors (see below), whose sum is σ = 2561621760. Its totient is φ = 763740208.

The previous prime is 1616428027. The next prime is 1616428043. The reversal of 1616428042 is 2408246161.

It is a super-2 number, since 2×1616428042² = 5225679229927907528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616427989 and 1616428007.

It is not an unprimeable number, because it can be changed into a prime (1616428043) 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, 293758 + ... + 299209.

It is an arithmetic number, because the mean of its divisors is an integer number (160101360).

Almost surely, 2^1616428042 is an apocalyptic number.

1616428042 is a deficient number, since it is larger than the sum of its proper divisors (945193718).

1616428042 is a wasteful number, since it uses less digits than its factorization.

1616428042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593045.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1616428042 is about 40204.8261033424. The cubic root of 1616428042 is about 1173.5964631506.

The spelling of 1616428042 in words is "one billion, six hundred sixteen million, four hundred twenty-eight thousand, forty-two".