149916051970 has 16 divisors (see below), whose sum is σ = 271464758208. Its totient is φ = 59607339760.

The previous prime is 149916051953. The next prime is 149916051979. The reversal of 149916051970 is 79150619941.

It is not an unprimeable number, because it can be changed into a prime (149916051979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44883376 + ... + 44886715.

It is an arithmetic number, because the mean of its divisors is an integer number (16966547388).

Almost surely, 2^149916051970 is an apocalyptic number.

149916051970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149916051970 is a deficient number, since it is larger than the sum of its proper divisors (121548706238).

149916051970 is a wasteful number, since it uses less digits than its factorization.

149916051970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89770265.

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 149916051970 in words is "one hundred forty-nine billion, nine hundred sixteen million, fifty-one thousand, nine hundred seventy".