5155187946 has 16 divisors (see below), whose sum is σ = 10320791808. Its totient is φ = 1716660000.

The previous prime is 5155187927. The next prime is 5155187959. The reversal of 5155187946 is 6497815515.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427555 + ... + 439446.

It is an arithmetic number, because the mean of its divisors is an integer number (645049488).

Almost surely, 2^5155187946 is an apocalyptic number.

5155187946 is an abundant number, since it is smaller than the sum of its proper divisors (5165603862).

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

5155187946 is a wasteful number, since it uses less digits than its factorization.

5155187946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867997.

The product of its digits is 1512000, while the sum is 51.

The square root of 5155187946 is about 71799.6375060487. The cubic root of 5155187946 is about 1727.4871853357.

The spelling of 5155187946 in words is "five billion, one hundred fifty-five million, one hundred eighty-seven thousand, nine hundred forty-six".