161146007 has 4 divisors (see below), whose sum is σ = 175795656. Its totient is φ = 146496360.

The previous prime is 161146001. The next prime is 161146039. The reversal of 161146007 is 700641161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161146007 - 2⁴ = 161145991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161146001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7324808 + ... + 7324829.

It is an arithmetic number, because the mean of its divisors is an integer number (43948914).

Almost surely, 2^161146007 is an apocalyptic number.

161146007 is a deficient number, since it is larger than the sum of its proper divisors (14649649).

161146007 is a wasteful number, since it uses less digits than its factorization.

161146007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649648.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 161146007 is about 12694.3297184215. The cubic root of 161146007 is about 544.1765833446.

Adding to 161146007 its reverse (700641161), we get a palindrome (861787168).

The spelling of 161146007 in words is "one hundred sixty-one million, one hundred forty-six thousand, seven".