148632981651 has 24 divisors (see below), whose sum is σ = 267668054784. Its totient is φ = 77211938160.

The previous prime is 148632981649. The next prime is 148632981683. The reversal of 148632981651 is 156189236841.

It is a happy number.

148632981651 is a `hidden beast` number, since 1 + 486 + 3 + 29 + 81 + 65 + 1 = 666.

It is not a de Polignac number, because 148632981651 - 2¹ = 148632981649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148632981691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107238111 + ... + 107239496.

It is an arithmetic number, because the mean of its divisors is an integer number (11152835616).

Almost surely, 2^148632981651 is an apocalyptic number.

148632981651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

148632981651 is a deficient number, since it is larger than the sum of its proper divisors (119035073133).

148632981651 is a wasteful number, since it uses less digits than its factorization.

148632981651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214477631 (or 214477628 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 148632981651 in words is "one hundred forty-eight billion, six hundred thirty-two million, nine hundred eighty-one thousand, six hundred fifty-one".