161059377 has 16 divisors (see below), whose sum is σ = 228076992. Its totient is φ = 100746240.

The previous prime is 161059373. The next prime is 161059387. The reversal of 161059377 is 773950161.

It is not a de Polignac number, because 161059377 - 2² = 161059373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161059373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12502 + ... + 21872.

It is an arithmetic number, because the mean of its divisors is an integer number (14254812).

Almost surely, 2^161059377 is an apocalyptic number.

161059377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

161059377 is a deficient number, since it is larger than the sum of its proper divisors (67017615).

161059377 is a wasteful number, since it uses less digits than its factorization.

161059377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9728.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 161059377 is about 12690.9171063403. The cubic root of 161059377 is about 544.0790517779.

The spelling of 161059377 in words is "one hundred sixty-one million, fifty-nine thousand, three hundred seventy-seven".