20370161164 has 24 divisors (see below), whose sum is σ = 36101268000. Its totient is φ = 10056076800.

The previous prime is 20370161143. The next prime is 20370161173. The reversal of 20370161164 is 46116107302.

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, 74812 + ... + 215260.

It is an arithmetic number, because the mean of its divisors is an integer number (1504219500).

Almost surely, 2^20370161164 is an apocalyptic number.

It is an amenable number.

20370161164 is a deficient number, since it is larger than the sum of its proper divisors (15731106836).

20370161164 is a wasteful number, since it uses less digits than its factorization.

20370161164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140913 (or 140911 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 20370161164 its reverse (46116107302), we get a palindrome (66486268466).

The spelling of 20370161164 in words is "twenty billion, three hundred seventy million, one hundred sixty-one thousand, one hundred sixty-four".