157473866 has 16 divisors (see below), whose sum is σ = 263971008. Its totient is φ = 69832800.

The previous prime is 157473853. The next prime is 157473913. The reversal of 157473866 is 668374751.

It is a self number, because there is not a number n which added to its sum of digits gives 157473866.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 86390 + ... + 88193.

It is an arithmetic number, because the mean of its divisors is an integer number (16498188).

Almost surely, 2^157473866 is an apocalyptic number.

157473866 is a deficient number, since it is larger than the sum of its proper divisors (106497142).

157473866 is a wasteful number, since it uses less digits than its factorization.

157473866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174637.

The product of its digits is 846720, while the sum is 47.

The square root of 157473866 is about 12548.8591513332. The cubic root of 157473866 is about 540.0112777709.

The spelling of 157473866 in words is "one hundred fifty-seven million, four hundred seventy-three thousand, eight hundred sixty-six".