46158156550 has 36 divisors (see below), whose sum is σ = 93669320628. Its totient is φ = 16782952000.

The previous prime is 46158156467. The next prime is 46158156553. The reversal of 46158156550 is 5565185164.

It is a self number, because there is not a number n which added to its sum of digits gives 46158156550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46158156553) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5033970 + ... + 5043130.

It is an arithmetic number, because the mean of its divisors is an integer number (2601925573).

Almost surely, 2^46158156550 is an apocalyptic number.

46158156550 is an abundant number, since it is smaller than the sum of its proper divisors (47511164078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46158156550 is an frugal number, since it uses more digits than its factorization.

46158156550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345 (or 9179 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 46158156550 in words is "forty-six billion, one hundred fifty-eight million, one hundred fifty-six thousand, five hundred fifty".