157740166 has 8 divisors (see below), whose sum is σ = 249063480. Its totient is φ = 74719008.

The previous prime is 157740103. The next prime is 157740173. The reversal of 157740166 is 661047751.

157740166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075491 + ... + 2075566.

It is an arithmetic number, because the mean of its divisors is an integer number (31132935).

Almost surely, 2^157740166 is an apocalyptic number.

157740166 is a deficient number, since it is larger than the sum of its proper divisors (91323314).

157740166 is a wasteful number, since it uses less digits than its factorization.

157740166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151078.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 157740166 is about 12559.4651956204. The cubic root of 157740166 is about 540.3155060667.

The spelling of 157740166 in words is "one hundred fifty-seven million, seven hundred forty thousand, one hundred sixty-six".