1516671642 has 16 divisors (see below), whose sum is σ = 3051954720. Its totient is φ = 502455312.

The previous prime is 1516671617. The next prime is 1516671647. The reversal of 1516671642 is 2461766151.

It is a self number, because there is not a number n which added to its sum of digits gives 1516671642.

It is not an unprimeable number, because it can be changed into a prime (1516671647) 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, 774417 + ... + 776372.

It is an arithmetic number, because the mean of its divisors is an integer number (190747170).

Almost surely, 2^1516671642 is an apocalyptic number.

1516671642 is an abundant number, since it is smaller than the sum of its proper divisors (1535283078).

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

1516671642 is a wasteful number, since it uses less digits than its factorization.

1516671642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550957.

The product of its digits is 60480, while the sum is 39.

The square root of 1516671642 is about 38944.4686958238. The cubic root of 1516671642 is about 1148.9395749623.

The spelling of 1516671642 in words is "one billion, five hundred sixteen million, six hundred seventy-one thousand, six hundred forty-two".